TY  - JOUR
AU  - Momčilović, Dejan
AU  - Atanasovska, Ivana
AU  - Vulović, Snežana
AU  - Pavlović, Ana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/461
AB  - The repair of structural elements for the prestressing of reinforced concrete is necessary
when existing prestressing wires are damaged or after a certain period of time. The objective of this
paper is to describe the methodology for the life assessment of corroded prestressing wires, sampled
from prestressed concrete elements after a few decades of use. The aim of the presented research was
to determine the real properties of corroded wire in terms of the evaluation of remaining load capacity
using the Theory of Critical Distances (TCD). The methodology also includes spatial 3D characterization
of corroded surfaces, determination of mechanical properties, and Finite Element Analysis (FEA)
of a model of wire with corrosion pits. The final goal of the presented methodology is to enable more
efficient evaluation of repair range and options for the elements of mechanical prestressing systems
within various structures. The results and conclusions indicate that the developed methodology,
based on the interdisciplinary approach and implementation of state-of-the-art methods, has a high
applicability potential for both static and fatigue fracture prediction in the case of prestressed wires.
The proposed method has a huge potential for simple and fast prediction of the life assessment of
engineering structures, particularly for damaged elements with arbitrary geometry features
PB  - MDPI
T2  - Metals
T1  - Life Assessment of Corroded Wire for Prestressing
IS  - 2
VL  - 13
DO  - 10.3390/met13020387
ER  - 

@article{
author = "Momčilović, Dejan and Atanasovska, Ivana and Vulović, Snežana and Pavlović, Ana",
year = "2023",
abstract = "The repair of structural elements for the prestressing of reinforced concrete is necessary
when existing prestressing wires are damaged or after a certain period of time. The objective of this
paper is to describe the methodology for the life assessment of corroded prestressing wires, sampled
from prestressed concrete elements after a few decades of use. The aim of the presented research was
to determine the real properties of corroded wire in terms of the evaluation of remaining load capacity
using the Theory of Critical Distances (TCD). The methodology also includes spatial 3D characterization
of corroded surfaces, determination of mechanical properties, and Finite Element Analysis (FEA)
of a model of wire with corrosion pits. The final goal of the presented methodology is to enable more
efficient evaluation of repair range and options for the elements of mechanical prestressing systems
within various structures. The results and conclusions indicate that the developed methodology,
based on the interdisciplinary approach and implementation of state-of-the-art methods, has a high
applicability potential for both static and fatigue fracture prediction in the case of prestressed wires.
The proposed method has a huge potential for simple and fast prediction of the life assessment of
engineering structures, particularly for damaged elements with arbitrary geometry features",
publisher = "MDPI",
journal = "Metals",
title = "Life Assessment of Corroded Wire for Prestressing",
number = "2",
volume = "13",
doi = "10.3390/met13020387"
}

Momčilović, D., Atanasovska, I., Vulović, S.,& Pavlović, A.. (2023). Life Assessment of Corroded Wire for Prestressing. in Metals
MDPI., 13(2).
https://doi.org/10.3390/met13020387

Momčilović D, Atanasovska I, Vulović S, Pavlović A. Life Assessment of Corroded Wire for Prestressing. in Metals. 2023;13(2).
doi:10.3390/met13020387 .

Momčilović, Dejan, Atanasovska, Ivana, Vulović, Snežana, Pavlović, Ana, "Life Assessment of Corroded Wire for Prestressing" in Metals, 13, no. 2 (2023),
https://doi.org/10.3390/met13020387 . .

TY  - JOUR
AU  - Vasić, Milica
AU  - Goel, Gaurav
AU  - Dubale, Mandefrot
AU  - Živković, Slavica
AU  - Trivunić, Milan
AU  - Pezo, Milada
AU  - Pezo, Lato
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/449
AB  - The main idea of the present study was to investigate the impact of the ongoing world
crisis on the socio-economic issues in Serbia concerning building materials usage and purchase. This research fills in the gaps in the literature and contributes to the comprehension of how the crisis has affected salaries, market pricing, and materials consumption in the building sector. The data are gathered through a questionnaire and analyzed using a statistical methodology (frequencies, descriptive statistics, and Spearman’s correlations). Most of the former studies investigated the surveys conducted on specialists in the field, while this study analyzed the perspectives of random people. Socio-demographic issues are analyzed along with materials consumption before and after the crisis. A special emphasis is given to ecological awareness and novel materials usage. Additionally, it captures a broad shift in the economy and ecological consciousness in a developing country. The majority of respondents are open to using novel building materials and products, but their choice would largely be influenced by cost, the amount of effort involved, and their understanding of the advantages. Statistical approaches revealed that the crisis has a considerable impact on the markets for construction and building supplies, altering consumers’ decisions when purchasing.
This contribution lays the groundwork for developing countries in the modern world to improve
sustainability and adopt circular thinking. Professionals in Serbia need to have a more eco-aware
mindset and enhance how they provide pertinent information to potential clients. This study is
limited by the number of respondents. For future mathematical modeling and forecasting, more
answerers are needed.
PB  - MDPI
T2  - Sustainability 2023, 15, 4080
T1  - Socio-Economic Analysis of the Construction and Building Materials’ Usage—Ecological Awareness in the Case of Serbia
VL  - 15
DO  - 10.3390/su15054080
ER  - 

@article{
author = "Vasić, Milica and Goel, Gaurav and Dubale, Mandefrot and Živković, Slavica and Trivunić, Milan and Pezo, Milada and Pezo, Lato",
year = "2023",
abstract = "The main idea of the present study was to investigate the impact of the ongoing world
crisis on the socio-economic issues in Serbia concerning building materials usage and purchase. This research fills in the gaps in the literature and contributes to the comprehension of how the crisis has affected salaries, market pricing, and materials consumption in the building sector. The data are gathered through a questionnaire and analyzed using a statistical methodology (frequencies, descriptive statistics, and Spearman’s correlations). Most of the former studies investigated the surveys conducted on specialists in the field, while this study analyzed the perspectives of random people. Socio-demographic issues are analyzed along with materials consumption before and after the crisis. A special emphasis is given to ecological awareness and novel materials usage. Additionally, it captures a broad shift in the economy and ecological consciousness in a developing country. The majority of respondents are open to using novel building materials and products, but their choice would largely be influenced by cost, the amount of effort involved, and their understanding of the advantages. Statistical approaches revealed that the crisis has a considerable impact on the markets for construction and building supplies, altering consumers’ decisions when purchasing.
This contribution lays the groundwork for developing countries in the modern world to improve
sustainability and adopt circular thinking. Professionals in Serbia need to have a more eco-aware
mindset and enhance how they provide pertinent information to potential clients. This study is
limited by the number of respondents. For future mathematical modeling and forecasting, more
answerers are needed.",
publisher = "MDPI",
journal = "Sustainability 2023, 15, 4080",
title = "Socio-Economic Analysis of the Construction and Building Materials’ Usage—Ecological Awareness in the Case of Serbia",
volume = "15",
doi = "10.3390/su15054080"
}

Vasić, M., Goel, G., Dubale, M., Živković, S., Trivunić, M., Pezo, M.,& Pezo, L.. (2023). Socio-Economic Analysis of the Construction and Building Materials’ Usage—Ecological Awareness in the Case of Serbia. in Sustainability 2023, 15, 4080
MDPI., 15.
https://doi.org/10.3390/su15054080

Vasić M, Goel G, Dubale M, Živković S, Trivunić M, Pezo M, Pezo L. Socio-Economic Analysis of the Construction and Building Materials’ Usage—Ecological Awareness in the Case of Serbia. in Sustainability 2023, 15, 4080. 2023;15.
doi:10.3390/su15054080 .

Vasić, Milica, Goel, Gaurav, Dubale, Mandefrot, Živković, Slavica, Trivunić, Milan, Pezo, Milada, Pezo, Lato, "Socio-Economic Analysis of the Construction and Building Materials’ Usage—Ecological Awareness in the Case of Serbia" in Sustainability 2023, 15, 4080, 15 (2023),
https://doi.org/10.3390/su15054080 . .

TY  - CONF
AU  - Milić, Milica
AU  - Atanasovska, Ivana
AU  - Ristić, Ognjen
AU  - Momčilović, Dejan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/481
AB  - The high level of worthiness of unmanned aerial vehicles (UAV), particularly in everyday life, is something that will be common thing in close future. The design solutions for UAV us subject of constant innovation, focused on the improving structure performances and weight reducing. The use of new materials. like various composites, is necessary during this process to fulfill such demanding structural design requirements. Despite the fact that such kind of composite made UAV structures are subjected to the detailed calculation procedures and experimental verifications in the design phase, the fracture and failure can occur during testing in real operation conditions. The redesign procedure is required in order to overcome the noted issues.
This paper describes failure analysis, as well as structural redesign procedure for a beam element of an unconventional UAV. The fracture analysis is based on the numerical calculations of the deformation and stress state of the element, as well as experimental investigation of material characteristics. The developed redesign solution contains modifications in material of the element, as well as the changes in the structure design of the failure zone. The Finite Element Analysis is performed and discussed for both of the element structures: original design and redesign based on the fracture analysis. The conclusions obtained by the comparison of these Finite Element Analyses show the significant structure improvements in the stress concentration zone, achieved by the proposed redesign.
PB  - University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia
C3  - 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
T1  - Failure analysis of beam of unmanned aerial vehicle
SP  - 156
UR  - https://hdl.handle.net/21.15107/rcub_rims_481
ER  - 

@conference{
author = "Milić, Milica and Atanasovska, Ivana and Ristić, Ognjen and Momčilović, Dejan",
year = "2022",
abstract = "The high level of worthiness of unmanned aerial vehicles (UAV), particularly in everyday life, is something that will be common thing in close future. The design solutions for UAV us subject of constant innovation, focused on the improving structure performances and weight reducing. The use of new materials. like various composites, is necessary during this process to fulfill such demanding structural design requirements. Despite the fact that such kind of composite made UAV structures are subjected to the detailed calculation procedures and experimental verifications in the design phase, the fracture and failure can occur during testing in real operation conditions. The redesign procedure is required in order to overcome the noted issues.
This paper describes failure analysis, as well as structural redesign procedure for a beam element of an unconventional UAV. The fracture analysis is based on the numerical calculations of the deformation and stress state of the element, as well as experimental investigation of material characteristics. The developed redesign solution contains modifications in material of the element, as well as the changes in the structure design of the failure zone. The Finite Element Analysis is performed and discussed for both of the element structures: original design and redesign based on the fracture analysis. The conclusions obtained by the comparison of these Finite Element Analyses show the significant structure improvements in the stress concentration zone, achieved by the proposed redesign.",
publisher = "University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia",
journal = "1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU",
title = "Failure analysis of beam of unmanned aerial vehicle",
pages = "156",
url = "https://hdl.handle.net/21.15107/rcub_rims_481"
}

Milić, M., Atanasovska, I., Ristić, O.,& Momčilović, D.. (2022). Failure analysis of beam of unmanned aerial vehicle. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia., 156.
https://hdl.handle.net/21.15107/rcub_rims_481

Milić M, Atanasovska I, Ristić O, Momčilović D. Failure analysis of beam of unmanned aerial vehicle. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU. 2022;:156.
https://hdl.handle.net/21.15107/rcub_rims_481 .

Milić, Milica, Atanasovska, Ivana, Ristić, Ognjen, Momčilović, Dejan, "Failure analysis of beam of unmanned aerial vehicle" in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU (2022):156,
https://hdl.handle.net/21.15107/rcub_rims_481 .

TY  - CONF
AU  - Ilić, Dragoljub
AU  - Milošević, Dragan
AU  - Momčilović, Dejan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/480
AB  - During regular operation, hydro turbine elements have complex operating conditions. In order to prevent major failures, among other common preventive measures, it is necessary to make a useful model of hydro turbine. Development of this model was focused on real elements and data set of real operating history. To solve this, an integral diagnostic approach is used. Based on the real diagnostics data of the condition and data history of the hydro turbine shaft and the designed life expectancy, a multi-layer perceptron (MLP) based artificial neural network (ANN) is built. The idea with this model was to enable to life assessment of the turbine shaft in any particular moment during regular operation.
This paper describes a model for estimating the condition of the shafts of turbines of the current generator in Hydropower plant Derdap 2. The significance of this approach is that real experimental data support development of ML ANN (number of neurons and layers) topology, which is optimal for this model, training and testing. Results obtained from this model are used for decision-making about the planning time schedule of maintenance actions, as well as reducing overhaul time and direct losses.
PB  - University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia
C3  - 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
T1  - Neural network model for the condition assessment of hydro turbines
SP  - 154
UR  - https://hdl.handle.net/21.15107/rcub_rims_480
ER  - 

@conference{
author = "Ilić, Dragoljub and Milošević, Dragan and Momčilović, Dejan",
year = "2022",
abstract = "During regular operation, hydro turbine elements have complex operating conditions. In order to prevent major failures, among other common preventive measures, it is necessary to make a useful model of hydro turbine. Development of this model was focused on real elements and data set of real operating history. To solve this, an integral diagnostic approach is used. Based on the real diagnostics data of the condition and data history of the hydro turbine shaft and the designed life expectancy, a multi-layer perceptron (MLP) based artificial neural network (ANN) is built. The idea with this model was to enable to life assessment of the turbine shaft in any particular moment during regular operation.
This paper describes a model for estimating the condition of the shafts of turbines of the current generator in Hydropower plant Derdap 2. The significance of this approach is that real experimental data support development of ML ANN (number of neurons and layers) topology, which is optimal for this model, training and testing. Results obtained from this model are used for decision-making about the planning time schedule of maintenance actions, as well as reducing overhaul time and direct losses.",
publisher = "University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia",
journal = "1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU",
title = "Neural network model for the condition assessment of hydro turbines",
pages = "154",
url = "https://hdl.handle.net/21.15107/rcub_rims_480"
}

Ilić, D., Milošević, D.,& Momčilović, D.. (2022). Neural network model for the condition assessment of hydro turbines. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia., 154.
https://hdl.handle.net/21.15107/rcub_rims_480

Ilić D, Milošević D, Momčilović D. Neural network model for the condition assessment of hydro turbines. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU. 2022;:154.
https://hdl.handle.net/21.15107/rcub_rims_480 .

Ilić, Dragoljub, Milošević, Dragan, Momčilović, Dejan, "Neural network model for the condition assessment of hydro turbines" in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU (2022):154,
https://hdl.handle.net/21.15107/rcub_rims_480 .

TY  - CONF
AU  - Stojiljković, Bratislav
AU  - Momčilović, Dejan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/479
AB  - The results of the scientific research work and creativity of Nikola Tesla (Smiljan, 1856 - New York, 1943), a Serbian-American scientist, engineer and inventor, represent the foundation of new technical and technological breakthroughs that began at the end of the 19th century, and without        which        our        everyday        life        would         be         unthinkable. The legacy of Nikola Tesla is located in his museum in Belgrade and present unique collection composed from archive documents, different items (personal and technical items) and library (monographies,          periodical          publications          and          newspaper          clips). The number of original technical items from Tesla's legacy (295 in total) is finite and unchangeable. The collection of items from the field of mechanical engineering consists of 122 different museum artifacts from the following areas: turbo machines, tribology, speed measurement, length measurement, temperature measurement, measuring tools, accessories for technical drawing and writing, machine assemblies and elements, etc. The most numerous groups of objects consist of springs (coil-cylindrical, spiral strip), a total of 30 exhibits. Models of spiral cylindrical springs, depending on how they are loaded, are compression (8 pcs.) or tension type (14 pcs.). The aim of this paper is to present preserved models and to examine the physical-chemical and mechanical properties and contribute with additional knowledge to the Nikola Tesla legacy.
PB  - University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia
C3  - 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
T1  - Examination of the physical-chemical and mechanical properties of helical cylindrical compression springs preserved in the Legacy in the Nikola Tesla Museum
SP  - 153
UR  - https://hdl.handle.net/21.15107/rcub_rims_479
ER  - 

@conference{
author = "Stojiljković, Bratislav and Momčilović, Dejan",
year = "2022",
abstract = "The results of the scientific research work and creativity of Nikola Tesla (Smiljan, 1856 - New York, 1943), a Serbian-American scientist, engineer and inventor, represent the foundation of new technical and technological breakthroughs that began at the end of the 19th century, and without        which        our        everyday        life        would         be         unthinkable. The legacy of Nikola Tesla is located in his museum in Belgrade and present unique collection composed from archive documents, different items (personal and technical items) and library (monographies,          periodical          publications          and          newspaper          clips). The number of original technical items from Tesla's legacy (295 in total) is finite and unchangeable. The collection of items from the field of mechanical engineering consists of 122 different museum artifacts from the following areas: turbo machines, tribology, speed measurement, length measurement, temperature measurement, measuring tools, accessories for technical drawing and writing, machine assemblies and elements, etc. The most numerous groups of objects consist of springs (coil-cylindrical, spiral strip), a total of 30 exhibits. Models of spiral cylindrical springs, depending on how they are loaded, are compression (8 pcs.) or tension type (14 pcs.). The aim of this paper is to present preserved models and to examine the physical-chemical and mechanical properties and contribute with additional knowledge to the Nikola Tesla legacy.",
publisher = "University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia",
journal = "1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU",
title = "Examination of the physical-chemical and mechanical properties of helical cylindrical compression springs preserved in the Legacy in the Nikola Tesla Museum",
pages = "153",
url = "https://hdl.handle.net/21.15107/rcub_rims_479"
}

Stojiljković, B.,& Momčilović, D.. (2022). Examination of the physical-chemical and mechanical properties of helical cylindrical compression springs preserved in the Legacy in the Nikola Tesla Museum. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia., 153.
https://hdl.handle.net/21.15107/rcub_rims_479

Stojiljković B, Momčilović D. Examination of the physical-chemical and mechanical properties of helical cylindrical compression springs preserved in the Legacy in the Nikola Tesla Museum. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU. 2022;:153.
https://hdl.handle.net/21.15107/rcub_rims_479 .

Stojiljković, Bratislav, Momčilović, Dejan, "Examination of the physical-chemical and mechanical properties of helical cylindrical compression springs preserved in the Legacy in the Nikola Tesla Museum" in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU (2022):153,
https://hdl.handle.net/21.15107/rcub_rims_479 .

TY  - CONF
AU  - Atanasovska, Ivana
AU  - Momčilović, Dejan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/458
AB  - The contact fatigue is a localized phenomenon that occurs in highly
stressed local zone of the material under the loaded contact region and as such is
highly nonlinear problem. This phenomenon exists in almost all real mechanical
systems with contact strains coupled with other sources of nonlinear behaviour.
The improvements of existing procedures and methods for standard calculation
of contact fatigue have a potential to give significant contribution to increase
accuracy of calculation of life assessment, reliability and efficiency of complex
mechanical systems. This paper gives the basic explanation of the Theory of
critical distances and its application on direct estimation of fatigue crack
initiation in contact zones. Analysis of contact fatigue when the contact zones
are subjected to additional nonlinearities such as geometry manufacturing
deviations, geometry microscale-damages or nonlinear material characteristics
are presented in detail. Few different real multi-nonlinear problems are used for
analysis performing. The benefits of presented approach are discussed by detail
analysis of the obtained results, and could be based on the increasing accuracy
of contact fatigue prediction considering all existing nonlinearities in loaded
contact zones of complex mechanical systems.
C3  - 2nd Conference on Nonlinearity, Belgrade
T1  - Analysis of contact fatigue coupled with geometry and material nonlinearities by Theory of critical distances
EP  - 47
SP  - 27
UR  - https://hdl.handle.net/21.15107/rcub_rims_458
ER  - 

@conference{
author = "Atanasovska, Ivana and Momčilović, Dejan",
year = "2022",
abstract = "The contact fatigue is a localized phenomenon that occurs in highly
stressed local zone of the material under the loaded contact region and as such is
highly nonlinear problem. This phenomenon exists in almost all real mechanical
systems with contact strains coupled with other sources of nonlinear behaviour.
The improvements of existing procedures and methods for standard calculation
of contact fatigue have a potential to give significant contribution to increase
accuracy of calculation of life assessment, reliability and efficiency of complex
mechanical systems. This paper gives the basic explanation of the Theory of
critical distances and its application on direct estimation of fatigue crack
initiation in contact zones. Analysis of contact fatigue when the contact zones
are subjected to additional nonlinearities such as geometry manufacturing
deviations, geometry microscale-damages or nonlinear material characteristics
are presented in detail. Few different real multi-nonlinear problems are used for
analysis performing. The benefits of presented approach are discussed by detail
analysis of the obtained results, and could be based on the increasing accuracy
of contact fatigue prediction considering all existing nonlinearities in loaded
contact zones of complex mechanical systems.",
journal = "2nd Conference on Nonlinearity, Belgrade",
title = "Analysis of contact fatigue coupled with geometry and material nonlinearities by Theory of critical distances",
pages = "47-27",
url = "https://hdl.handle.net/21.15107/rcub_rims_458"
}

Atanasovska, I.,& Momčilović, D.. (2022). Analysis of contact fatigue coupled with geometry and material nonlinearities by Theory of critical distances. in 2nd Conference on Nonlinearity, Belgrade, 27-47.
https://hdl.handle.net/21.15107/rcub_rims_458

Atanasovska I, Momčilović D. Analysis of contact fatigue coupled with geometry and material nonlinearities by Theory of critical distances. in 2nd Conference on Nonlinearity, Belgrade. 2022;:27-47.
https://hdl.handle.net/21.15107/rcub_rims_458 .

Atanasovska, Ivana, Momčilović, Dejan, "Analysis of contact fatigue coupled with geometry and material nonlinearities by Theory of critical distances" in 2nd Conference on Nonlinearity, Belgrade (2022):27-47,
https://hdl.handle.net/21.15107/rcub_rims_458 .

TY  - JOUR
AU  - Dubale, Mandefrot
AU  - Vasić, Milica
AU  - Goel, Gaurav
AU  - Kalamdhad, Ajay
AU  - Singh, Laishram
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/448
AB  - The European Green Deal, which emphasizes zero-waste economies, and waste recycling
in construction and building materials, has arisen due to significant worldwide needs for solid waste recovery and usage. This ambitious study focuses on recycling mixed construction and demolition (C&D) waste into burnt bricks and investigating the influence of firing temperature. While pursuing its objectives, this is dependent on raw material characterization and burnt-brick product quality assessment. The recycling of mixed C&D waste is explored by mixing the waste into two soil types (alluvial and laterite) in ratios ranging from 5% to 45% at three firing temperatures (700 °C, 850 °C and 900 °C). The utilization of mixed C&D waste in amounts of 10% at 700 °C and 25% at 850 °C and 900 °C fulfilled the Indian standard. Although a fire at 700 °C results in less optimal waste utilization, it is beneficial and recommended for reducing the carbon footprint and energy use. Additional mineralogical and microstructural analyzes are performed on the optimal fired samples.
The study’s findings are promising for sustainable resource usage, reducing carbon footprint, and
reducing waste disposal volume. This research is a big step toward the Sustainable Development
Goals of the United Nations and a circular economy.
PB  - MDPI
T2  - Materials 2023, 16, 262
T1  - Utilization of Construction and Demolition Mix Waste in the Fired Brick Production: The Impact on Mechanical Properties
DO  - 10.3390/ma16010262
ER  - 

@article{
author = "Dubale, Mandefrot and Vasić, Milica and Goel, Gaurav and Kalamdhad, Ajay and Singh, Laishram",
year = "2022",
abstract = "The European Green Deal, which emphasizes zero-waste economies, and waste recycling
in construction and building materials, has arisen due to significant worldwide needs for solid waste recovery and usage. This ambitious study focuses on recycling mixed construction and demolition (C&D) waste into burnt bricks and investigating the influence of firing temperature. While pursuing its objectives, this is dependent on raw material characterization and burnt-brick product quality assessment. The recycling of mixed C&D waste is explored by mixing the waste into two soil types (alluvial and laterite) in ratios ranging from 5% to 45% at three firing temperatures (700 °C, 850 °C and 900 °C). The utilization of mixed C&D waste in amounts of 10% at 700 °C and 25% at 850 °C and 900 °C fulfilled the Indian standard. Although a fire at 700 °C results in less optimal waste utilization, it is beneficial and recommended for reducing the carbon footprint and energy use. Additional mineralogical and microstructural analyzes are performed on the optimal fired samples.
The study’s findings are promising for sustainable resource usage, reducing carbon footprint, and
reducing waste disposal volume. This research is a big step toward the Sustainable Development
Goals of the United Nations and a circular economy.",
publisher = "MDPI",
journal = "Materials 2023, 16, 262",
title = "Utilization of Construction and Demolition Mix Waste in the Fired Brick Production: The Impact on Mechanical Properties",
doi = "10.3390/ma16010262"
}

Dubale, M., Vasić, M., Goel, G., Kalamdhad, A.,& Singh, L.. (2022). Utilization of Construction and Demolition Mix Waste in the Fired Brick Production: The Impact on Mechanical Properties. in Materials 2023, 16, 262
MDPI..
https://doi.org/10.3390/ma16010262

Dubale M, Vasić M, Goel G, Kalamdhad A, Singh L. Utilization of Construction and Demolition Mix Waste in the Fired Brick Production: The Impact on Mechanical Properties. in Materials 2023, 16, 262. 2022;.
doi:10.3390/ma16010262 .

Dubale, Mandefrot, Vasić, Milica, Goel, Gaurav, Kalamdhad, Ajay, Singh, Laishram, "Utilization of Construction and Demolition Mix Waste in the Fired Brick Production: The Impact on Mechanical Properties" in Materials 2023, 16, 262 (2022),
https://doi.org/10.3390/ma16010262 . .

TY  - JOUR
AU  - Radovanović, Lidija
AU  - Radovanović, Željko
AU  - Simović, Bojana
AU  - Vasić, Milica
AU  - Balanč, Bojana
AU  - Dapčević, Aleksandra
AU  - Rogan, Jelena
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/447
AB  - A biphasic [Mn(dipya)(H2O)4](tpht)/{[Zn(dipya)(tpht)]·H2O}n complex material, I, (dipya = 2,2’-dipyridylamine, tpht2– = dianion of terephthalatic acid) was synthesized by ligand exchange reaction and characterized by XRPD and FTIR spectroscopy. A ZnO/ZnMn2O4 composite, II, has been prepared via thermal decomposition of precursor I in an air atmosphere at 450 °C. XRPD, FTIR and FESEM analyses of II revealed the simultaneous presence of spherical nanoparticles of wurtzite ZnO and elongated nanoparticles of spinel ZnMn2O4. The specific surface area of II was determined by the BET method, whereas the volume and average size of the mesopores were calculated in accordance with the BJH method. The measurements of the mean size, polydispersity index and zeta potential showed colloidal instability of II. Two band gap values of 2.4 and 3.3 eV were determined using UV–Vis diffuse reflectance spectroscopy, while the measurements of photoluminescence revealed that II is active in the blue region of the visible spectrum. Testing of composite II as a pigmentary material showed that it can be used for the colouring of a ceramic glaze.
T2  - Journal of the Serbian Chemical Society - JSCS
T1  - Structure and properties of ZnO/ZnMn2O4 composite obtained by thermal decomposition of terephthalate precursor
DO  - 10.2298/JSC221102090R
ER  - 

@article{
author = "Radovanović, Lidija and Radovanović, Željko and Simović, Bojana and Vasić, Milica and Balanč, Bojana and Dapčević, Aleksandra and Rogan, Jelena",
year = "2022",
abstract = "A biphasic [Mn(dipya)(H2O)4](tpht)/{[Zn(dipya)(tpht)]·H2O}n complex material, I, (dipya = 2,2’-dipyridylamine, tpht2– = dianion of terephthalatic acid) was synthesized by ligand exchange reaction and characterized by XRPD and FTIR spectroscopy. A ZnO/ZnMn2O4 composite, II, has been prepared via thermal decomposition of precursor I in an air atmosphere at 450 °C. XRPD, FTIR and FESEM analyses of II revealed the simultaneous presence of spherical nanoparticles of wurtzite ZnO and elongated nanoparticles of spinel ZnMn2O4. The specific surface area of II was determined by the BET method, whereas the volume and average size of the mesopores were calculated in accordance with the BJH method. The measurements of the mean size, polydispersity index and zeta potential showed colloidal instability of II. Two band gap values of 2.4 and 3.3 eV were determined using UV–Vis diffuse reflectance spectroscopy, while the measurements of photoluminescence revealed that II is active in the blue region of the visible spectrum. Testing of composite II as a pigmentary material showed that it can be used for the colouring of a ceramic glaze.",
journal = "Journal of the Serbian Chemical Society - JSCS",
title = "Structure and properties of ZnO/ZnMn2O4 composite obtained by thermal decomposition of terephthalate precursor",
doi = "10.2298/JSC221102090R"
}

Radovanović, L., Radovanović, Ž., Simović, B., Vasić, M., Balanč, B., Dapčević, A.,& Rogan, J.. (2022). Structure and properties of ZnO/ZnMn2O4 composite obtained by thermal decomposition of terephthalate precursor. in Journal of the Serbian Chemical Society - JSCS.
https://doi.org/10.2298/JSC221102090R

Radovanović L, Radovanović Ž, Simović B, Vasić M, Balanč B, Dapčević A, Rogan J. Structure and properties of ZnO/ZnMn2O4 composite obtained by thermal decomposition of terephthalate precursor. in Journal of the Serbian Chemical Society - JSCS. 2022;.
doi:10.2298/JSC221102090R .

Radovanović, Lidija, Radovanović, Željko, Simović, Bojana, Vasić, Milica, Balanč, Bojana, Dapčević, Aleksandra, Rogan, Jelena, "Structure and properties of ZnO/ZnMn2O4 composite obtained by thermal decomposition of terephthalate precursor" in Journal of the Serbian Chemical Society - JSCS (2022),
https://doi.org/10.2298/JSC221102090R . .

TY  - JOUR
AU  - Vasić, Milica
AU  - Radovanović, Lidija
AU  - Pezo, Lato
AU  - Radojević, Zagorka
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/446
AB  - The usage possibility of 19 composites of raw refractory clays from Serbia containing approximately 53.29% of SiO2 and 26.73% of Al2O3 is presented. The sum of fluxing oxides was 57.74%, while these materials contained 32% of quartz, 29% of kaolinite and 26% of illite–mica. Dilatometry tests revealed a sudden shrinkage with the peak at approximately 1115 °C, owing to the formation of mullite. The refractoriness was in the range of 1581–1718 °C, which classifies the composites from low- to high-duty refractories. Based on correlation analysis, the refractoriness mostly depended on the content of alumina. The lightness of the fired test pieces was lower after firing when compared to the dry samples, and it decreased with the firing temperature from reddish to grayish. The study presents a novel attempt to define all the necessary properties of raw refractory clays and products fired at the 1100–1300 °C range on a laboratory level. Most of these clays can be used as natural refractory materials for ceramic and glass furnace lining. The organic matter in some of the samples influences negatively the fast-firing process.
T2  - Journal of Thermal Analysis and Calorimetry
T1  - Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories
VL  - 147
DO  - 10.1007/s10973-022-11848-w
ER  - 

@article{
author = "Vasić, Milica and Radovanović, Lidija and Pezo, Lato and Radojević, Zagorka",
year = "2022",
abstract = "The usage possibility of 19 composites of raw refractory clays from Serbia containing approximately 53.29% of SiO2 and 26.73% of Al2O3 is presented. The sum of fluxing oxides was 57.74%, while these materials contained 32% of quartz, 29% of kaolinite and 26% of illite–mica. Dilatometry tests revealed a sudden shrinkage with the peak at approximately 1115 °C, owing to the formation of mullite. The refractoriness was in the range of 1581–1718 °C, which classifies the composites from low- to high-duty refractories. Based on correlation analysis, the refractoriness mostly depended on the content of alumina. The lightness of the fired test pieces was lower after firing when compared to the dry samples, and it decreased with the firing temperature from reddish to grayish. The study presents a novel attempt to define all the necessary properties of raw refractory clays and products fired at the 1100–1300 °C range on a laboratory level. Most of these clays can be used as natural refractory materials for ceramic and glass furnace lining. The organic matter in some of the samples influences negatively the fast-firing process.",
journal = "Journal of Thermal Analysis and Calorimetry",
title = "Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories",
volume = "147",
doi = "10.1007/s10973-022-11848-w"
}

Vasić, M., Radovanović, L., Pezo, L.,& Radojević, Z.. (2022). Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories. in Journal of Thermal Analysis and Calorimetry, 147.
https://doi.org/10.1007/s10973-022-11848-w

Vasić M, Radovanović L, Pezo L, Radojević Z. Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories. in Journal of Thermal Analysis and Calorimetry. 2022;147.
doi:10.1007/s10973-022-11848-w .

Vasić, Milica, Radovanović, Lidija, Pezo, Lato, Radojević, Zagorka, "Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories" in Journal of Thermal Analysis and Calorimetry, 147 (2022),
https://doi.org/10.1007/s10973-022-11848-w . .

TY  - JOUR
AU  - Mijatović, Nevenka
AU  - Vasić, Milica
AU  - Miličić, Ljiljana
AU  - Radomirović, Milena
AU  - Radojević, Zagorka
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/427
AB  - In this paper, the main subject concerns comparing different techniques to prepare raw clay samples for energy dispersive X-ray fluorescence spectrometry (EDXRF). Three kinds of sample preparation procedures are examined,such as loose powder, pressed pellet, and fired pressed pellet. The fired pressed pellet approach was observed as a part of universal sample preparation for physic, mechanical, and instrumental analysis, which has not been previously tested as a solution in chemical analysis by the EDXRF method. The observed sample preparation techniques were compared by calculating the parameters of validation (recoveries, limit of detection-LOD, limit of quantification - LOQ, precision, and expanded uncertainties of measurements) of 11 elements (Si, Al, Fe, Ca, Mg, K, Na, Ti, P, Mn, and S) using 15 certified reference materials (CRMs). Calibration curves were created and evaluated using 30 reference materials (RM) for all three approaches. Results proved that the fired pressed pellet is the most practical and precise approach for sample preparation of raw clays.
PB  - Elsevier
T2  - Talanta
T1  - Fired pressed pellet as a sample preparation technique of choice for an energy dispersive X-ray fluorescence analysis of raw clays
VL  - 252
DO  - https://doi.org/10.1016/j.talanta.2022.123844
ER  - 

@article{
author = "Mijatović, Nevenka and Vasić, Milica and Miličić, Ljiljana and Radomirović, Milena and Radojević, Zagorka",
year = "2022",
abstract = "In this paper, the main subject concerns comparing different techniques to prepare raw clay samples for energy dispersive X-ray fluorescence spectrometry (EDXRF). Three kinds of sample preparation procedures are examined,such as loose powder, pressed pellet, and fired pressed pellet. The fired pressed pellet approach was observed as a part of universal sample preparation for physic, mechanical, and instrumental analysis, which has not been previously tested as a solution in chemical analysis by the EDXRF method. The observed sample preparation techniques were compared by calculating the parameters of validation (recoveries, limit of detection-LOD, limit of quantification - LOQ, precision, and expanded uncertainties of measurements) of 11 elements (Si, Al, Fe, Ca, Mg, K, Na, Ti, P, Mn, and S) using 15 certified reference materials (CRMs). Calibration curves were created and evaluated using 30 reference materials (RM) for all three approaches. Results proved that the fired pressed pellet is the most practical and precise approach for sample preparation of raw clays.",
publisher = "Elsevier",
journal = "Talanta",
title = "Fired pressed pellet as a sample preparation technique of choice for an energy dispersive X-ray fluorescence analysis of raw clays",
volume = "252",
doi = "https://doi.org/10.1016/j.talanta.2022.123844"
}

Mijatović, N., Vasić, M., Miličić, L., Radomirović, M.,& Radojević, Z.. (2022). Fired pressed pellet as a sample preparation technique of choice for an energy dispersive X-ray fluorescence analysis of raw clays. in Talanta
Elsevier., 252.
https://doi.org/https://doi.org/10.1016/j.talanta.2022.123844

Mijatović N, Vasić M, Miličić L, Radomirović M, Radojević Z. Fired pressed pellet as a sample preparation technique of choice for an energy dispersive X-ray fluorescence analysis of raw clays. in Talanta. 2022;252.
doi:https://doi.org/10.1016/j.talanta.2022.123844 .

Mijatović, Nevenka, Vasić, Milica, Miličić, Ljiljana, Radomirović, Milena, Radojević, Zagorka, "Fired pressed pellet as a sample preparation technique of choice for an energy dispersive X-ray fluorescence analysis of raw clays" in Talanta, 252 (2022),
https://doi.org/https://doi.org/10.1016/j.talanta.2022.123844 . .

TY  - JOUR
AU  - Vasić, Milica
AU  - Mijatović, Nevenka
AU  - Radojević, Zagorka
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/417
AB  - One of the significant problems in the production of ceramic tiles is the very high consump-tion of natural resources such as clay, feldspar, and quartz. The possibility of replacing part of the formulation of ceramic batches is of great importance. In this research, the possibility of using aplitic granite waste from dimensional stone production was analyzed in detail. The waste is considered a low-cost substitute for feldspar in Serbia. The milled powdery waste was analytically tested to reveal its chemical and mineralogical contents, particle size distribution, and other important properties. The ceramic tiles containing aplitic granite waste (GW) and GW/raw clay mixture (CGW) were hydraulically pressed, and the ceramic and technological properties determined. This waste can act as a filler while forming, drying, and firing, since the high content of quartz helps to control the shrinkage and acts as a fluxing agent in high temperatures due to its feldspathic nature. The waste was found favorable in the production of ceramic tiles, as the gained values of modulus of rupture and water absorption were 28.68 MPa and 1.33%, respectively. The parameters defined in the series of standards EN ISO 10545 were tested on a semi-industrial probe, determining that this combination of materials (without the addition of quartz) may be efficiently used to produce ceramic floor tiles. The usage of what would otherwise be waste material contributes to sustainable management and environmentally friendly solutions by avoiding landfilling, while at the same time it enabling the conservation of scarce natural feldspar deposits.
PB  - MDPI
T2  - Materials
T1  - Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles
IS  - 9
SP  - 3145
VL  - 15
DO  - 10.3390/ma15093145
ER  - 

@article{
author = "Vasić, Milica and Mijatović, Nevenka and Radojević, Zagorka",
year = "2022",
abstract = "One of the significant problems in the production of ceramic tiles is the very high consump-tion of natural resources such as clay, feldspar, and quartz. The possibility of replacing part of the formulation of ceramic batches is of great importance. In this research, the possibility of using aplitic granite waste from dimensional stone production was analyzed in detail. The waste is considered a low-cost substitute for feldspar in Serbia. The milled powdery waste was analytically tested to reveal its chemical and mineralogical contents, particle size distribution, and other important properties. The ceramic tiles containing aplitic granite waste (GW) and GW/raw clay mixture (CGW) were hydraulically pressed, and the ceramic and technological properties determined. This waste can act as a filler while forming, drying, and firing, since the high content of quartz helps to control the shrinkage and acts as a fluxing agent in high temperatures due to its feldspathic nature. The waste was found favorable in the production of ceramic tiles, as the gained values of modulus of rupture and water absorption were 28.68 MPa and 1.33%, respectively. The parameters defined in the series of standards EN ISO 10545 were tested on a semi-industrial probe, determining that this combination of materials (without the addition of quartz) may be efficiently used to produce ceramic floor tiles. The usage of what would otherwise be waste material contributes to sustainable management and environmentally friendly solutions by avoiding landfilling, while at the same time it enabling the conservation of scarce natural feldspar deposits.",
publisher = "MDPI",
journal = "Materials",
title = "Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles",
number = "9",
pages = "3145",
volume = "15",
doi = "10.3390/ma15093145"
}

Vasić, M., Mijatović, N.,& Radojević, Z.. (2022). Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles. in Materials
MDPI., 15(9), 3145.
https://doi.org/10.3390/ma15093145

Vasić M, Mijatović N, Radojević Z. Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles. in Materials. 2022;15(9):3145.
doi:10.3390/ma15093145 .

Vasić, Milica, Mijatović, Nevenka, Radojević, Zagorka, "Aplitic Granite Waste as Raw Material for the Production of Outdoor Ceramic Floor Tiles" in Materials, 15, no. 9 (2022):3145,
https://doi.org/10.3390/ma15093145 . .

TY  - JOUR
AU  - Vasić, Milica
AU  - Terzić, Anja
AU  - Radovanović, Željko
AU  - Radojević, Zagorka
AU  - Warr, L.N.
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/414
AB  - Geopolymerization was investigated as an alternative to traditional ceramic products by developing a more sustainable approach that avoids thermal treatment. The study presents the first known alkali-activation of the raw clay and waste clay brick mixture using the solid to liquid ratios of 2.33 and 2.78. Several experimental sets were prepared to harden under varying conditions (2–4 days drying in 60 °C–70 °C and 3 h steam-curing). Non-activated and activated samples were analyzed for their physical and chemical properties after 14, 21, and 28 days. The tile-shaped specimens exhibited better initial drying behavior than the cubes and produced stronger materials with fewer cracks. Pre-curing in steam conditions induced higher flexural strength (13.7 MPa) and water absorption (13.13%) for the geopolymer tiles. The highest Si/Al molar ratio in the amorphous portion of 5.78 induced the best flexural strength. The geopolymerization process showed microstructural changes associated with the appearance of fibrous Na-zeolite nanocrystals. The degree of geopolymerization and zeolite formation was enhanced by steam-curing, but the microstructural stress and heterogeneity induced by the reactions resulted in higher water absorption. Ongoing reactions of amorphization in the bulk material and further crystallization at the surface are documented after 6 months of curing. This first detailed study reveals that the production of geopolymer ceramics from brick waste is possible, but further optimization of the activating solution and curing parameters is required.
PB  - Elsevier Ltd
T2  - Applied Clay Science
T1  - Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics
VL  - 218
DO  - 10.1016/j.clay.2022.106410
ER  - 

@article{
author = "Vasić, Milica and Terzić, Anja and Radovanović, Željko and Radojević, Zagorka and Warr, L.N.",
year = "2022",
abstract = "Geopolymerization was investigated as an alternative to traditional ceramic products by developing a more sustainable approach that avoids thermal treatment. The study presents the first known alkali-activation of the raw clay and waste clay brick mixture using the solid to liquid ratios of 2.33 and 2.78. Several experimental sets were prepared to harden under varying conditions (2–4 days drying in 60 °C–70 °C and 3 h steam-curing). Non-activated and activated samples were analyzed for their physical and chemical properties after 14, 21, and 28 days. The tile-shaped specimens exhibited better initial drying behavior than the cubes and produced stronger materials with fewer cracks. Pre-curing in steam conditions induced higher flexural strength (13.7 MPa) and water absorption (13.13%) for the geopolymer tiles. The highest Si/Al molar ratio in the amorphous portion of 5.78 induced the best flexural strength. The geopolymerization process showed microstructural changes associated with the appearance of fibrous Na-zeolite nanocrystals. The degree of geopolymerization and zeolite formation was enhanced by steam-curing, but the microstructural stress and heterogeneity induced by the reactions resulted in higher water absorption. Ongoing reactions of amorphization in the bulk material and further crystallization at the surface are documented after 6 months of curing. This first detailed study reveals that the production of geopolymer ceramics from brick waste is possible, but further optimization of the activating solution and curing parameters is required.",
publisher = "Elsevier Ltd",
journal = "Applied Clay Science",
title = "Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics",
volume = "218",
doi = "10.1016/j.clay.2022.106410"
}

Vasić, M., Terzić, A., Radovanović, Ž., Radojević, Z.,& Warr, L.N.. (2022). Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics. in Applied Clay Science
Elsevier Ltd., 218.
https://doi.org/10.1016/j.clay.2022.106410

Vasić M, Terzić A, Radovanović Ž, Radojević Z, Warr L. Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics. in Applied Clay Science. 2022;218.
doi:10.1016/j.clay.2022.106410 .

Vasić, Milica, Terzić, Anja, Radovanović, Željko, Radojević, Zagorka, Warr, L.N., "Alkali-activated geopolymerization of a low illitic raw clay and waste brick mixture. An alternative to traditional ceramics" in Applied Clay Science, 218 (2022),
https://doi.org/10.1016/j.clay.2022.106410 . .

TY  - JOUR
AU  - Drpić, Aleksandar
AU  - Popović, Jasmina
AU  - Popović, Mlađan
AU  - Điporović-Momčilović, Milanka
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/445
AB  - The goal of this paper is to analyze the chemical composition of untreated and
treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia
Vahl. ssp. Pannonica Soó & Simon). In order to determine the effect of pretreatment
with liquid hot water (LHW) on changes in chemical composition, the content
of moisture, cellulose, lignin, minerals (ash), extractives soluble in hot water, extractives
soluble in organic solvents, for treated and for untreated wooden chips
was determined. This was done in accordance with TAPPI and ASTM standard
methods. The properties of wooden chips, treated for 30 min and 60 min at a
temperature of 100 °C, are compared to untreated wooden chips and changes
in the chemical composition that occurred are defined as a result of the applied
treatments. The research was performed under controlled conditions in a laboratory,
and the results of treatments were the subject of comparative analysis. Applied
treatments had a statistically significant effect on decreasing the content of
extractives. The content of cellulose and hemicellulose increased in the treated
wooden chips compared to untreated wooden chips, while the lignin content did
not significantly change.
T2  - Advanced Technologies 2022, vol. 11, 2, 40-47
T1  - Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips
T1  - Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja
EP  - 47
IS  - 2
SP  - 40
VL  - 11
DO  - 10.5937/savteh2202040D
ER  - 

@article{
author = "Drpić, Aleksandar and Popović, Jasmina and Popović, Mlađan and Điporović-Momčilović, Milanka",
year = "2022",
abstract = "The goal of this paper is to analyze the chemical composition of untreated and
treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia
Vahl. ssp. Pannonica Soó & Simon). In order to determine the effect of pretreatment
with liquid hot water (LHW) on changes in chemical composition, the content
of moisture, cellulose, lignin, minerals (ash), extractives soluble in hot water, extractives
soluble in organic solvents, for treated and for untreated wooden chips
was determined. This was done in accordance with TAPPI and ASTM standard
methods. The properties of wooden chips, treated for 30 min and 60 min at a
temperature of 100 °C, are compared to untreated wooden chips and changes
in the chemical composition that occurred are defined as a result of the applied
treatments. The research was performed under controlled conditions in a laboratory,
and the results of treatments were the subject of comparative analysis. Applied
treatments had a statistically significant effect on decreasing the content of
extractives. The content of cellulose and hemicellulose increased in the treated
wooden chips compared to untreated wooden chips, while the lignin content did
not significantly change.",
journal = "Advanced Technologies 2022, vol. 11, 2, 40-47",
title = "Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips, Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja",
pages = "47-40",
number = "2",
volume = "11",
doi = "10.5937/savteh2202040D"
}

Drpić, A., Popović, J., Popović, M.,& Điporović-Momčilović, M.. (2022). Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips. in Advanced Technologies 2022, vol. 11, 2, 40-47, 11(2), 40-47.
https://doi.org/10.5937/savteh2202040D

Drpić A, Popović J, Popović M, Điporović-Momčilović M. Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips. in Advanced Technologies 2022, vol. 11, 2, 40-47. 2022;11(2):40-47.
doi:10.5937/savteh2202040D .

Drpić, Aleksandar, Popović, Jasmina, Popović, Mlađan, Điporović-Momčilović, Milanka, "Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips" in Advanced Technologies 2022, vol. 11, 2, 40-47, 11, no. 2 (2022):40-47,
https://doi.org/10.5937/savteh2202040D . .

TY  - JOUR
AU  - Mirković-Marjanović, Milica
AU  - Kijanović, Aleksandar
AU  - Ilić, Snežana
AU  - Janković, Ksenija
AU  - Zakić, Dimitrije
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/444
AB  - The Guarded hot plate method (GHP) is a widely used technique to measure thermal conductivity of thermal insulation specimens in steady-state conditions. In this paper, an advance of GHP has been developed in the Laboratory for Thermal technique and fire protection in Institute IMS. The innovative GHP has been applied for measuring thermal conductivity using additional heat flux meters. The design of this GHP is similar to the design of the plate for GHP apparatus; however, it has different design: smaller width of thermal barrier, which is filled with insulation glue. Heaters inside hot and guard plates are built from wire for thermocouples, which is a unique type of heater. Geometry of heater has been optimized inside plates to achieve uniform temperature distribution along the specimen surface. Temperature uniformity of guarded hot plate and energy balance were experimentally determined. The verification and validation results of improved GHP have been shown. The test method was validated comparing test results of thermal conductivity with results of the round-robin test. Four national companies participated in the round-robin comparison on thermal conductivity measurement by guarded hot plate method. The measurement was performed on the same specimen of thermal insulation material (expanded polystyrene) according to SRPS EN 12667 at temperatures ranging between 10℃-40℃. The measured thermal conductivity of all participants in the round-robin test was input data for statistical processing according to SRPS ISO 5725-2 and ISO 13528. To evaluate the performance of the participants, the “z” score has been used. Measurements were conducted successively for all participants. Since 2020, the Accreditation Body of Serbia also approved this test method.
T2  - Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747
T1  - Verification and validation of an advanced guardedhot plate for determination of thermal conductivity
EP  - 4747
SP  - 4735
VL  - 26
DO  - 10.2298/TSCI220311108M
ER  - 

@article{
author = "Mirković-Marjanović, Milica and Kijanović, Aleksandar and Ilić, Snežana and Janković, Ksenija and Zakić, Dimitrije",
year = "2022",
abstract = "The Guarded hot plate method (GHP) is a widely used technique to measure thermal conductivity of thermal insulation specimens in steady-state conditions. In this paper, an advance of GHP has been developed in the Laboratory for Thermal technique and fire protection in Institute IMS. The innovative GHP has been applied for measuring thermal conductivity using additional heat flux meters. The design of this GHP is similar to the design of the plate for GHP apparatus; however, it has different design: smaller width of thermal barrier, which is filled with insulation glue. Heaters inside hot and guard plates are built from wire for thermocouples, which is a unique type of heater. Geometry of heater has been optimized inside plates to achieve uniform temperature distribution along the specimen surface. Temperature uniformity of guarded hot plate and energy balance were experimentally determined. The verification and validation results of improved GHP have been shown. The test method was validated comparing test results of thermal conductivity with results of the round-robin test. Four national companies participated in the round-robin comparison on thermal conductivity measurement by guarded hot plate method. The measurement was performed on the same specimen of thermal insulation material (expanded polystyrene) according to SRPS EN 12667 at temperatures ranging between 10℃-40℃. The measured thermal conductivity of all participants in the round-robin test was input data for statistical processing according to SRPS ISO 5725-2 and ISO 13528. To evaluate the performance of the participants, the “z” score has been used. Measurements were conducted successively for all participants. Since 2020, the Accreditation Body of Serbia also approved this test method.",
journal = "Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747",
title = "Verification and validation of an advanced guardedhot plate for determination of thermal conductivity",
pages = "4747-4735",
volume = "26",
doi = "10.2298/TSCI220311108M"
}

Mirković-Marjanović, M., Kijanović, A., Ilić, S., Janković, K.,& Zakić, D.. (2022). Verification and validation of an advanced guardedhot plate for determination of thermal conductivity. in Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747, 26, 4735-4747.
https://doi.org/10.2298/TSCI220311108M

Mirković-Marjanović M, Kijanović A, Ilić S, Janković K, Zakić D. Verification and validation of an advanced guardedhot plate for determination of thermal conductivity. in Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747. 2022;26:4735-4747.
doi:10.2298/TSCI220311108M .

Mirković-Marjanović, Milica, Kijanović, Aleksandar, Ilić, Snežana, Janković, Ksenija, Zakić, Dimitrije, "Verification and validation of an advanced guardedhot plate for determination of thermal conductivity" in Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747, 26 (2022):4735-4747,
https://doi.org/10.2298/TSCI220311108M . .

TY  - JOUR
AU  - Živanović, Stana
AU  - Lin, Bintian
AU  - Vu Dang, Hiep
AU  - Zhang, Sigong
AU  - Ćosić, Mladen
AU  - Caprani, Colin
AU  - Zhang, Quingwen
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/443
AB  - Bipedal models for walkers, originally developed in the research field of biomechanics,
have been identified as potential candidates for modelling pedestrians in structural engineering
applications. These models provide insight into both the kinetics and kinematics of walking locomotion and are considered to have a significant potential to improve the vibration serviceability
assessment of civil engineering structures. Despite this notion, the ability of the bipedal models to
represent the key features of the walking gait and natural variability within the pedestrian population are still under-researched. This paper critically evaluates the performance of two bipedal models with rigid legs to realistically both reproduce key features of an individual pedestrian’s walking gait and represent a wide range of individuals. The evaluation is performed for walking on a rigid, rather than vibrating, structure due to the availability of experimental data and expectation that successful modelling on rigid surfaces is a necessary condition for progressing towards modelling on the vibrating structures. Ready-to-use equations are provided and the ability of the models to represent the kinematics and kinetics of individual pedestrians as well as the inter-subject variability typical of the human population is critically evaluated. It was found that the two models could generate realistic combinations of the gait parameters and their correlations, but are less successful in reproducing genuine kinetic and kinematics profiles.
PB  - MDPI
T2  - Buildings, Vol. 12, No. 8, 2022, pp. 1-19
T1  - Evaluation of Inverted-Pendulum-with-Rigid-Legs Walking Locomotion Models for Civil Engineering Applications
IS  - 8
VL  - 12
DO  - 10.3390/buildings12081216
ER  - 

@article{
author = "Živanović, Stana and Lin, Bintian and Vu Dang, Hiep and Zhang, Sigong and Ćosić, Mladen and Caprani, Colin and Zhang, Quingwen",
year = "2022",
abstract = "Bipedal models for walkers, originally developed in the research field of biomechanics,
have been identified as potential candidates for modelling pedestrians in structural engineering
applications. These models provide insight into both the kinetics and kinematics of walking locomotion and are considered to have a significant potential to improve the vibration serviceability
assessment of civil engineering structures. Despite this notion, the ability of the bipedal models to
represent the key features of the walking gait and natural variability within the pedestrian population are still under-researched. This paper critically evaluates the performance of two bipedal models with rigid legs to realistically both reproduce key features of an individual pedestrian’s walking gait and represent a wide range of individuals. The evaluation is performed for walking on a rigid, rather than vibrating, structure due to the availability of experimental data and expectation that successful modelling on rigid surfaces is a necessary condition for progressing towards modelling on the vibrating structures. Ready-to-use equations are provided and the ability of the models to represent the kinematics and kinetics of individual pedestrians as well as the inter-subject variability typical of the human population is critically evaluated. It was found that the two models could generate realistic combinations of the gait parameters and their correlations, but are less successful in reproducing genuine kinetic and kinematics profiles.",
publisher = "MDPI",
journal = "Buildings, Vol. 12, No. 8, 2022, pp. 1-19",
title = "Evaluation of Inverted-Pendulum-with-Rigid-Legs Walking Locomotion Models for Civil Engineering Applications",
number = "8",
volume = "12",
doi = "10.3390/buildings12081216"
}

Živanović, S., Lin, B., Vu Dang, H., Zhang, S., Ćosić, M., Caprani, C.,& Zhang, Q.. (2022). Evaluation of Inverted-Pendulum-with-Rigid-Legs Walking Locomotion Models for Civil Engineering Applications. in Buildings, Vol. 12, No. 8, 2022, pp. 1-19
MDPI., 12(8).
https://doi.org/10.3390/buildings12081216

Živanović S, Lin B, Vu Dang H, Zhang S, Ćosić M, Caprani C, Zhang Q. Evaluation of Inverted-Pendulum-with-Rigid-Legs Walking Locomotion Models for Civil Engineering Applications. in Buildings, Vol. 12, No. 8, 2022, pp. 1-19. 2022;12(8).
doi:10.3390/buildings12081216 .

Živanović, Stana, Lin, Bintian, Vu Dang, Hiep, Zhang, Sigong, Ćosić, Mladen, Caprani, Colin, Zhang, Quingwen, "Evaluation of Inverted-Pendulum-with-Rigid-Legs Walking Locomotion Models for Civil Engineering Applications" in Buildings, Vol. 12, No. 8, 2022, pp. 1-19, 12, no. 8 (2022),
https://doi.org/10.3390/buildings12081216 . .

TY  - CONF
AU  - Ilić, Snežana
AU  - Mirković-Marjanović, Milica
AU  - Kijanović, Aleksandar
AU  - Laban, Mirjana
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/441
AB  - To reduce occurrence of fires in buildings as efficiently as possible, it is necessary to take into account active and passive fire protection measures during construction of building. This paper will show more about passive fire protection measures related to the selection of adequate material to be used during construction, which contributes to the localization of fire and prevents it from spreading to other rooms and facilities.
All products, which are planned by project, must have adequate certificates not to contribute to the development of fire, as well as to meet the class of fire resistance. In the Republic of Serbia, only the Laboratory for Thermal Engineering and Fire Protection, within the IMS Institute, deals with this type of testing and issuing reports.
This paper will present test methods for obtaining a fire reaction class. After the tests, according to the standard SRPS EN 13501-1, a Classification Report is issued in which the final fire reaction class is given for the tested product whose validity lasts for 5 years.
C3  - Proceedings of the 17th Conference with International participation risk and safety engineering, Kopaonik
T1  - Testing of building materials - reaction to fire
EP  - 119
SP  - 111
UR  - https://hdl.handle.net/21.15107/rcub_rims_441
ER  - 

@conference{
author = "Ilić, Snežana and Mirković-Marjanović, Milica and Kijanović, Aleksandar and Laban, Mirjana",
year = "2022",
abstract = "To reduce occurrence of fires in buildings as efficiently as possible, it is necessary to take into account active and passive fire protection measures during construction of building. This paper will show more about passive fire protection measures related to the selection of adequate material to be used during construction, which contributes to the localization of fire and prevents it from spreading to other rooms and facilities.
All products, which are planned by project, must have adequate certificates not to contribute to the development of fire, as well as to meet the class of fire resistance. In the Republic of Serbia, only the Laboratory for Thermal Engineering and Fire Protection, within the IMS Institute, deals with this type of testing and issuing reports.
This paper will present test methods for obtaining a fire reaction class. After the tests, according to the standard SRPS EN 13501-1, a Classification Report is issued in which the final fire reaction class is given for the tested product whose validity lasts for 5 years.",
journal = "Proceedings of the 17th Conference with International participation risk and safety engineering, Kopaonik",
title = "Testing of building materials - reaction to fire",
pages = "119-111",
url = "https://hdl.handle.net/21.15107/rcub_rims_441"
}

Ilić, S., Mirković-Marjanović, M., Kijanović, A.,& Laban, M.. (2022). Testing of building materials - reaction to fire. in Proceedings of the 17th Conference with International participation risk and safety engineering, Kopaonik, 111-119.
https://hdl.handle.net/21.15107/rcub_rims_441

Ilić S, Mirković-Marjanović M, Kijanović A, Laban M. Testing of building materials - reaction to fire. in Proceedings of the 17th Conference with International participation risk and safety engineering, Kopaonik. 2022;:111-119.
https://hdl.handle.net/21.15107/rcub_rims_441 .

Ilić, Snežana, Mirković-Marjanović, Milica, Kijanović, Aleksandar, Laban, Mirjana, "Testing of building materials - reaction to fire" in Proceedings of the 17th Conference with International participation risk and safety engineering, Kopaonik (2022):111-119,
https://hdl.handle.net/21.15107/rcub_rims_441 .

TY  - CONF
AU  - Ilić, Snežana
AU  - Malešev, Mirjana
AU  - Mirković-Marjanović, Milica
AU  - Kijanović, Aleksandar
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/438
AB  - In this paper the experimental procedure for the determination of ventilation heat losses across building envelopes has been shown. The alternative name for this method is Blower Door Test or Fan Pressurization method. This text is a user manual for the determination of ventilation heat losses and parameters which is used to describe the air permeability of buildings. The experiment examination was performed at the office with old and after with new windows. The results were compared, and a significant contribution of new windows was shown.
PB  - University of Banja Luka Faculty of Architecture, Civil Engineering and Geodesy
C3  - Proceedings of International conference on contemporary theory and practice in construction XV, STEPGRAD 2022
T1  - Determination of ventilation heat losses through building envelope – a case study
EP  - 558
SP  - 552
UR  - https://hdl.handle.net/21.15107/rcub_rims_438
ER  - 

@conference{
author = "Ilić, Snežana and Malešev, Mirjana and Mirković-Marjanović, Milica and Kijanović, Aleksandar",
year = "2022",
abstract = "In this paper the experimental procedure for the determination of ventilation heat losses across building envelopes has been shown. The alternative name for this method is Blower Door Test or Fan Pressurization method. This text is a user manual for the determination of ventilation heat losses and parameters which is used to describe the air permeability of buildings. The experiment examination was performed at the office with old and after with new windows. The results were compared, and a significant contribution of new windows was shown.",
publisher = "University of Banja Luka Faculty of Architecture, Civil Engineering and Geodesy",
journal = "Proceedings of International conference on contemporary theory and practice in construction XV, STEPGRAD 2022",
title = "Determination of ventilation heat losses through building envelope – a case study",
pages = "558-552",
url = "https://hdl.handle.net/21.15107/rcub_rims_438"
}

Ilić, S., Malešev, M., Mirković-Marjanović, M.,& Kijanović, A.. (2022). Determination of ventilation heat losses through building envelope – a case study. in Proceedings of International conference on contemporary theory and practice in construction XV, STEPGRAD 2022
University of Banja Luka Faculty of Architecture, Civil Engineering and Geodesy., 552-558.
https://hdl.handle.net/21.15107/rcub_rims_438

Ilić S, Malešev M, Mirković-Marjanović M, Kijanović A. Determination of ventilation heat losses through building envelope – a case study. in Proceedings of International conference on contemporary theory and practice in construction XV, STEPGRAD 2022. 2022;:552-558.
https://hdl.handle.net/21.15107/rcub_rims_438 .

Ilić, Snežana, Malešev, Mirjana, Mirković-Marjanović, Milica, Kijanović, Aleksandar, "Determination of ventilation heat losses through building envelope – a case study" in Proceedings of International conference on contemporary theory and practice in construction XV, STEPGRAD 2022 (2022):552-558,
https://hdl.handle.net/21.15107/rcub_rims_438 .

TY  - CONF
AU  - Mirković-Marjanović, Milica
AU  - Ilić, Snežana
AU  - Kijanović, Aleksandar
AU  - Todorović, Goran
AU  - Gospavić, Radovan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/436
AB  - Testing the clay hollow-brick masonry non-load-bearing wall helps us to understand the behaviour of this type of wall during a fire. It is important to know the fire resistance of hollow brick walls so that we can prevent the fire from spreading to other rooms. In this paper, the experimental analysis of fire resistance of non-load-bearing wall with dimensions 3000 mm x 3000 mm thickness 200 mm were presented. The wall was made from clay hollow-brick masonry blocks with dimensions 500 mm x 200 mm x 249 mm (L x D x H) with mortar on both side of wall of thickness 15 mm. The wall was exposed to a standard fire test according to SRPS EN 1363-1:2014. The temperatures on the unexposed side of the wall were measured in thirteen positions with thermocouples (K – type) according to the national standard SRPS EN 1364-1: 2014, and at the junction between mortar and clay hollow-brick. Deflection of the wall in five places was measured also. Obtained results depending on the time of reaching the critical temperature during the fire test were presented.
C3  - Proceeding of the 8th International Conference "Civil engineering-science and practice", Kolašin
T1  - Experimental analysis of fire resistance of cly hollow-brick masonsry non-load bearing wall
UR  - https://hdl.handle.net/21.15107/rcub_rims_436
ER  - 

@conference{
author = "Mirković-Marjanović, Milica and Ilić, Snežana and Kijanović, Aleksandar and Todorović, Goran and Gospavić, Radovan",
year = "2022",
abstract = "Testing the clay hollow-brick masonry non-load-bearing wall helps us to understand the behaviour of this type of wall during a fire. It is important to know the fire resistance of hollow brick walls so that we can prevent the fire from spreading to other rooms. In this paper, the experimental analysis of fire resistance of non-load-bearing wall with dimensions 3000 mm x 3000 mm thickness 200 mm were presented. The wall was made from clay hollow-brick masonry blocks with dimensions 500 mm x 200 mm x 249 mm (L x D x H) with mortar on both side of wall of thickness 15 mm. The wall was exposed to a standard fire test according to SRPS EN 1363-1:2014. The temperatures on the unexposed side of the wall were measured in thirteen positions with thermocouples (K – type) according to the national standard SRPS EN 1364-1: 2014, and at the junction between mortar and clay hollow-brick. Deflection of the wall in five places was measured also. Obtained results depending on the time of reaching the critical temperature during the fire test were presented.",
journal = "Proceeding of the 8th International Conference "Civil engineering-science and practice", Kolašin",
title = "Experimental analysis of fire resistance of cly hollow-brick masonsry non-load bearing wall",
url = "https://hdl.handle.net/21.15107/rcub_rims_436"
}

Mirković-Marjanović, M., Ilić, S., Kijanović, A., Todorović, G.,& Gospavić, R.. (2022). Experimental analysis of fire resistance of cly hollow-brick masonsry non-load bearing wall. in Proceeding of the 8th International Conference "Civil engineering-science and practice", Kolašin.
https://hdl.handle.net/21.15107/rcub_rims_436

Mirković-Marjanović M, Ilić S, Kijanović A, Todorović G, Gospavić R. Experimental analysis of fire resistance of cly hollow-brick masonsry non-load bearing wall. in Proceeding of the 8th International Conference "Civil engineering-science and practice", Kolašin. 2022;.
https://hdl.handle.net/21.15107/rcub_rims_436 .

Mirković-Marjanović, Milica, Ilić, Snežana, Kijanović, Aleksandar, Todorović, Goran, Gospavić, Radovan, "Experimental analysis of fire resistance of cly hollow-brick masonsry non-load bearing wall" in Proceeding of the 8th International Conference "Civil engineering-science and practice", Kolašin (2022),
https://hdl.handle.net/21.15107/rcub_rims_436 .

TY  - CONF
AU  - Mirković-Marjanović, Milica
AU  - Kijanović, Aleksandar
AU  - Ilić, Snežana
AU  - Todorović, Goran
AU  - Gospavić, Radovan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/435
AB  - The unsteady heat conduction in composite planar structure, with arbitrary number of layers, using analytical approach based on Greeds Functions (GF) is analyzed. The analytical solution for spatial and temporal temperature distribution is evaluated in the general form and expressed in the terms of the convolution integrals. The GF are employed in the novel approach for calculation of Thermal Response Factors (TRF) with arbitrary shape functions for unsteady heat conduction in composite planar structure. The two pairs of TRF for spatial and temporal distribution of the temperature and the thermal flux are obtained. The whole analysis is performed in the time domain. A numerical scheme for efficient evaluation of convolution integral suitable for practical application in the case of the long term measurements with lower sampling rates is developed. The in-situ measurements of inside and outside surface temperatures and outside heat flux for a building wall under real dynamical environmental conditions during the period of then days are used for validation of the presented results and to demonstrate the possible practical application. Using developed approach and recorded surface temperatures as inputs the temporal and spatial distributions of the temperature and the thermal flux are obtained. These results are compared with experimental data and numerical simulations obtained by the Finite Volume Method (FVM).
C3  - Proceedings of the 19th International Symposium MASE, Ohrid, 2022
T1  - Experimental and numerical analysis of a walls made from aerated concrete blocks exposed to fire
EP  - 590
SP  - 583
UR  - https://hdl.handle.net/21.15107/rcub_rims_435
ER  - 

@conference{
author = "Mirković-Marjanović, Milica and Kijanović, Aleksandar and Ilić, Snežana and Todorović, Goran and Gospavić, Radovan",
year = "2022",
abstract = "The unsteady heat conduction in composite planar structure, with arbitrary number of layers, using analytical approach based on Greeds Functions (GF) is analyzed. The analytical solution for spatial and temporal temperature distribution is evaluated in the general form and expressed in the terms of the convolution integrals. The GF are employed in the novel approach for calculation of Thermal Response Factors (TRF) with arbitrary shape functions for unsteady heat conduction in composite planar structure. The two pairs of TRF for spatial and temporal distribution of the temperature and the thermal flux are obtained. The whole analysis is performed in the time domain. A numerical scheme for efficient evaluation of convolution integral suitable for practical application in the case of the long term measurements with lower sampling rates is developed. The in-situ measurements of inside and outside surface temperatures and outside heat flux for a building wall under real dynamical environmental conditions during the period of then days are used for validation of the presented results and to demonstrate the possible practical application. Using developed approach and recorded surface temperatures as inputs the temporal and spatial distributions of the temperature and the thermal flux are obtained. These results are compared with experimental data and numerical simulations obtained by the Finite Volume Method (FVM).",
journal = "Proceedings of the 19th International Symposium MASE, Ohrid, 2022",
title = "Experimental and numerical analysis of a walls made from aerated concrete blocks exposed to fire",
pages = "590-583",
url = "https://hdl.handle.net/21.15107/rcub_rims_435"
}

Mirković-Marjanović, M., Kijanović, A., Ilić, S., Todorović, G.,& Gospavić, R.. (2022). Experimental and numerical analysis of a walls made from aerated concrete blocks exposed to fire. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022, 583-590.
https://hdl.handle.net/21.15107/rcub_rims_435

Mirković-Marjanović M, Kijanović A, Ilić S, Todorović G, Gospavić R. Experimental and numerical analysis of a walls made from aerated concrete blocks exposed to fire. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022. 2022;:583-590.
https://hdl.handle.net/21.15107/rcub_rims_435 .

Mirković-Marjanović, Milica, Kijanović, Aleksandar, Ilić, Snežana, Todorović, Goran, Gospavić, Radovan, "Experimental and numerical analysis of a walls made from aerated concrete blocks exposed to fire" in Proceedings of the 19th International Symposium MASE, Ohrid, 2022 (2022):583-590,
https://hdl.handle.net/21.15107/rcub_rims_435 .

TY  - CONF
AU  - Mirković-Marjanović, Milica
AU  - Kijanović, Aleksandar
AU  - Ilić, Snežana
AU  - Todorović, Goran
AU  - Gospavić, Radovan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/376
AB  - In this paper a comparative analysis of thermal behavior of six partition walls with different
thicknesses were presented. The walls were dimensions 3000 mm x 3000 mm made from autoclaved
aerated concrete blocks with dimensions 625 mm x 200 mm and thicknesses 50 mm, 75 mm, 100 mm,
120 mm, 150 mm and 250 mm. All walls were exposed to standard fire test according the standard
SRPS EN 834-1, non- combustibility test according the standard SRPS EN 1182 and surface spread of
flame test according to SRPS U.J1.060. All walls were tested to fire resistance in vertical furnace with
a data acquisition system, according to standard fire test. Standard furnace for testing construction
consist of four two step burners in liquid fuel type of 296
kW manufactured by ECO FLAM. Two transmitters of differential pressure type 6321 manufactured
by TESTO (Germany), with range 100 Pa installed inside the furnace were used for pressure
measurement. Inside the furnace the temperature on six places with thermocouple type K were
measures. The measure ranges of thermocouple type K were -2700C to 13720C. The temperatures on
unexposed fire side were measured in nine places with thermocouple type T with measure ranges -
2700C to 4000C of according the national standard SRPS U.J1.090. The obtained temperature results
depending of the time of reaching the critical temperature were presented for each wall thicknesses.
The five identical cylindrical samples with high 50 mm and diameter 45 mm for non-combustibility
test has been used. All samples have been tested in standard furnace for non-combustibility test. The
average temperature in furnace and specimens were presented. Surface spread of flame testing is
carried out according to standard SRPS U.J1.060, if the coating material is based on organic or mixed
materials. The samples for these test are with dimensions 900 x 230 mm.
C3  - Proceedings of the 19th International Symposium MASE, Ohrid, 2022
T1  - The comparative analysis of thermal behaviour of a different thicknesses walls made from autoclaved aerated concrete blocks exposed to fire
EP  - 591
SP  - 597
UR  - https://hdl.handle.net/21.15107/rcub_rims_376
ER  - 

@conference{
author = "Mirković-Marjanović, Milica and Kijanović, Aleksandar and Ilić, Snežana and Todorović, Goran and Gospavić, Radovan",
year = "2022",
abstract = "In this paper a comparative analysis of thermal behavior of six partition walls with different
thicknesses were presented. The walls were dimensions 3000 mm x 3000 mm made from autoclaved
aerated concrete blocks with dimensions 625 mm x 200 mm and thicknesses 50 mm, 75 mm, 100 mm,
120 mm, 150 mm and 250 mm. All walls were exposed to standard fire test according the standard
SRPS EN 834-1, non- combustibility test according the standard SRPS EN 1182 and surface spread of
flame test according to SRPS U.J1.060. All walls were tested to fire resistance in vertical furnace with
a data acquisition system, according to standard fire test. Standard furnace for testing construction
consist of four two step burners in liquid fuel type of 296
kW manufactured by ECO FLAM. Two transmitters of differential pressure type 6321 manufactured
by TESTO (Germany), with range 100 Pa installed inside the furnace were used for pressure
measurement. Inside the furnace the temperature on six places with thermocouple type K were
measures. The measure ranges of thermocouple type K were -2700C to 13720C. The temperatures on
unexposed fire side were measured in nine places with thermocouple type T with measure ranges -
2700C to 4000C of according the national standard SRPS U.J1.090. The obtained temperature results
depending of the time of reaching the critical temperature were presented for each wall thicknesses.
The five identical cylindrical samples with high 50 mm and diameter 45 mm for non-combustibility
test has been used. All samples have been tested in standard furnace for non-combustibility test. The
average temperature in furnace and specimens were presented. Surface spread of flame testing is
carried out according to standard SRPS U.J1.060, if the coating material is based on organic or mixed
materials. The samples for these test are with dimensions 900 x 230 mm.",
journal = "Proceedings of the 19th International Symposium MASE, Ohrid, 2022",
title = "The comparative analysis of thermal behaviour of a different thicknesses walls made from autoclaved aerated concrete blocks exposed to fire",
pages = "591-597",
url = "https://hdl.handle.net/21.15107/rcub_rims_376"
}

Mirković-Marjanović, M., Kijanović, A., Ilić, S., Todorović, G.,& Gospavić, R.. (2022). The comparative analysis of thermal behaviour of a different thicknesses walls made from autoclaved aerated concrete blocks exposed to fire. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022, 597-591.
https://hdl.handle.net/21.15107/rcub_rims_376

Mirković-Marjanović M, Kijanović A, Ilić S, Todorović G, Gospavić R. The comparative analysis of thermal behaviour of a different thicknesses walls made from autoclaved aerated concrete blocks exposed to fire. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022. 2022;:597-591.
https://hdl.handle.net/21.15107/rcub_rims_376 .

Mirković-Marjanović, Milica, Kijanović, Aleksandar, Ilić, Snežana, Todorović, Goran, Gospavić, Radovan, "The comparative analysis of thermal behaviour of a different thicknesses walls made from autoclaved aerated concrete blocks exposed to fire" in Proceedings of the 19th International Symposium MASE, Ohrid, 2022 (2022):597-591,
https://hdl.handle.net/21.15107/rcub_rims_376 .

TY  - CONF
AU  - Laban, Mirjana
AU  - Ilić, Snežana
AU  - Džolev, Igor
AU  - Draganić, Suzana
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/439
AB  - Innovative construction systems, increasing use of combustible material in facades, less and less space between buildings, increased energy requirements; the transformation of facades in response to these changes requires the involvement of fire safety experts. nts at Grenfell Tower,
London and The Address in Dubai have demonstrated, use of combustible façade elements and lack of-quick time, primarily through the façade. We need to learn from these disasters. Other
incidents prove that the use of nonsuppression.
In the past years EU experts are working on development of common method for assessment of the fire performance of façade systems. The classification system should be transparent and should fit within the framework of existing national regulations. The common assessment method should be applicable to the wide range of façades systems available in the market including glazed façades, green façades and other emerging technologies.
There is a progress in developing legislation on façade fire safety in non-EU countries, due to
emerging fire safety problems and harmonization of regulation with EU. Fire safety of facades in
Serbia is defined through several rulebooks and standards, which significantly improved requirements.
This paper presents the comparative analysis of legislation on facade fire safety in Serbia and other European countries.
C3  - Proceedings of the 19th International Symposium MASE, Ohrid, 2022
T1  - European and national assessment procedure for the fire performance of facades
EP  - 582
SP  - 577
UR  - https://hdl.handle.net/21.15107/rcub_rims_439
ER  - 

@conference{
author = "Laban, Mirjana and Ilić, Snežana and Džolev, Igor and Draganić, Suzana",
year = "2022",
abstract = "Innovative construction systems, increasing use of combustible material in facades, less and less space between buildings, increased energy requirements; the transformation of facades in response to these changes requires the involvement of fire safety experts. nts at Grenfell Tower,
London and The Address in Dubai have demonstrated, use of combustible façade elements and lack of-quick time, primarily through the façade. We need to learn from these disasters. Other
incidents prove that the use of nonsuppression.
In the past years EU experts are working on development of common method for assessment of the fire performance of façade systems. The classification system should be transparent and should fit within the framework of existing national regulations. The common assessment method should be applicable to the wide range of façades systems available in the market including glazed façades, green façades and other emerging technologies.
There is a progress in developing legislation on façade fire safety in non-EU countries, due to
emerging fire safety problems and harmonization of regulation with EU. Fire safety of facades in
Serbia is defined through several rulebooks and standards, which significantly improved requirements.
This paper presents the comparative analysis of legislation on facade fire safety in Serbia and other European countries.",
journal = "Proceedings of the 19th International Symposium MASE, Ohrid, 2022",
title = "European and national assessment procedure for the fire performance of facades",
pages = "582-577",
url = "https://hdl.handle.net/21.15107/rcub_rims_439"
}

Laban, M., Ilić, S., Džolev, I.,& Draganić, S.. (2022). European and national assessment procedure for the fire performance of facades. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022, 577-582.
https://hdl.handle.net/21.15107/rcub_rims_439

Laban M, Ilić S, Džolev I, Draganić S. European and national assessment procedure for the fire performance of facades. in Proceedings of the 19th International Symposium MASE, Ohrid, 2022. 2022;:577-582.
https://hdl.handle.net/21.15107/rcub_rims_439 .

Laban, Mirjana, Ilić, Snežana, Džolev, Igor, Draganić, Suzana, "European and national assessment procedure for the fire performance of facades" in Proceedings of the 19th International Symposium MASE, Ohrid, 2022 (2022):577-582,
https://hdl.handle.net/21.15107/rcub_rims_439 .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Bulatović, Srđan
AU  - Zečević, Bojana
AU  - Maksimović, Ana
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/416
AB  - The behavior of steel in low-cycle fatigue (LCF) is tested experimentally, in accordance with ISO 12106:2017 (E) and/or ASTM E 606-04. For this purpose, smooth specimens which are exposed to low-cycle fatigue at several levels of regulated strains and/or loads at room, elevated or reduced temperatures are used. Stress–strain response at LCF has the shape of an ideal hysteresis loop. The strain range Δε corresponds to overall loop width, while the stress range Δσ corresponds to its overall height. The paper presents a method for determining the intersection of the idealized hysteresis loop and the positive part of the strain axis in order to determine the values of elastic, Δεe/2, and plastic, Δεp/2, components of the strain amplitude to characterize the behavior of steel under low cyclic fatigue. The values of elastic and plastic components of the strain amplitude are needed to determine the characteristic curves of low-cycle fatigue, which describe the behavior of steel under the loading of low-cycle fatigue.
PB  - Springer Science and Business Media B.V.
C3  - Mechanisms and Machine Science
T1  - Determination of LCF Plastic and Elastic Strain Components of Steel
EP  - 349
SP  - 341
VL  - 109
DO  - 10.1007/978-3-030-88465-9_32
ER  - 

@conference{
author = "Aleksić, Vujadin and Milović, Ljubica and Bulatović, Srđan and Zečević, Bojana and Maksimović, Ana",
year = "2022",
abstract = "The behavior of steel in low-cycle fatigue (LCF) is tested experimentally, in accordance with ISO 12106:2017 (E) and/or ASTM E 606-04. For this purpose, smooth specimens which are exposed to low-cycle fatigue at several levels of regulated strains and/or loads at room, elevated or reduced temperatures are used. Stress–strain response at LCF has the shape of an ideal hysteresis loop. The strain range Δε corresponds to overall loop width, while the stress range Δσ corresponds to its overall height. The paper presents a method for determining the intersection of the idealized hysteresis loop and the positive part of the strain axis in order to determine the values of elastic, Δεe/2, and plastic, Δεp/2, components of the strain amplitude to characterize the behavior of steel under low cyclic fatigue. The values of elastic and plastic components of the strain amplitude are needed to determine the characteristic curves of low-cycle fatigue, which describe the behavior of steel under the loading of low-cycle fatigue.",
publisher = "Springer Science and Business Media B.V.",
journal = "Mechanisms and Machine Science",
title = "Determination of LCF Plastic and Elastic Strain Components of Steel",
pages = "349-341",
volume = "109",
doi = "10.1007/978-3-030-88465-9_32"
}

Aleksić, V., Milović, L., Bulatović, S., Zečević, B.,& Maksimović, A.. (2022). Determination of LCF Plastic and Elastic Strain Components of Steel. in Mechanisms and Machine Science
Springer Science and Business Media B.V.., 109, 341-349.
https://doi.org/10.1007/978-3-030-88465-9_32

Aleksić V, Milović L, Bulatović S, Zečević B, Maksimović A. Determination of LCF Plastic and Elastic Strain Components of Steel. in Mechanisms and Machine Science. 2022;109:341-349.
doi:10.1007/978-3-030-88465-9_32 .

Aleksić, Vujadin, Milović, Ljubica, Bulatović, Srđan, Zečević, Bojana, Maksimović, Ana, "Determination of LCF Plastic and Elastic Strain Components of Steel" in Mechanisms and Machine Science, 109 (2022):341-349,
https://doi.org/10.1007/978-3-030-88465-9_32 . .

TY  - JOUR
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Zečević, Bojana
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/415
AB  - The most important characteristics for service safety of welded joints are those describing crack initiation and growth caused by variable loading. Crack initiation and growth caused by variable loading is the subject of numerous investigations. This paper shows the determination of parameters of the fatigue crack for constituents of welded joints produced of high strength low alloyed steel. The crack growth law of Paris establishes the relation between the applied variable load quantity or the corresponding stress intensity factor range and crack growth per cycle. Results have shown that the position of the notch and crack initiation affect the values of the stress intensity range of fatigue threshold Delta Kth and parameters in the Paris' equation.
PB  - Univerzitet u Beogradu - Mašinski fakultet, Beograd
T2  - FME Transactions
T1  - Application of Paris' Law Under Variable Loading
EP  - 78
IS  - 1
SP  - 72
VL  - 50
DO  - 10.5937/fme2201072B
ER  - 

@article{
author = "Bulatović, Srđan and Aleksić, Vujadin and Milović, Ljubica and Zečević, Bojana",
year = "2022",
abstract = "The most important characteristics for service safety of welded joints are those describing crack initiation and growth caused by variable loading. Crack initiation and growth caused by variable loading is the subject of numerous investigations. This paper shows the determination of parameters of the fatigue crack for constituents of welded joints produced of high strength low alloyed steel. The crack growth law of Paris establishes the relation between the applied variable load quantity or the corresponding stress intensity factor range and crack growth per cycle. Results have shown that the position of the notch and crack initiation affect the values of the stress intensity range of fatigue threshold Delta Kth and parameters in the Paris' equation.",
publisher = "Univerzitet u Beogradu - Mašinski fakultet, Beograd",
journal = "FME Transactions",
title = "Application of Paris' Law Under Variable Loading",
pages = "78-72",
number = "1",
volume = "50",
doi = "10.5937/fme2201072B"
}

Bulatović, S., Aleksić, V., Milović, L.,& Zečević, B.. (2022). Application of Paris' Law Under Variable Loading. in FME Transactions
Univerzitet u Beogradu - Mašinski fakultet, Beograd., 50(1), 72-78.
https://doi.org/10.5937/fme2201072B

Bulatović S, Aleksić V, Milović L, Zečević B. Application of Paris' Law Under Variable Loading. in FME Transactions. 2022;50(1):72-78.
doi:10.5937/fme2201072B .

Bulatović, Srđan, Aleksić, Vujadin, Milović, Ljubica, Zečević, Bojana, "Application of Paris' Law Under Variable Loading" in FME Transactions, 50, no. 1 (2022):72-78,
https://doi.org/10.5937/fme2201072B . .

TY  - CONF
AU  - Atanasovska, Ivana
AU  - Momčilović, Dejan
PY  - 2021
UR  - http://rims.institutims.rs/handle/123456789/478
AB  - Hertz contact and the resulting stress-strain state arising from the contact between two elastic solids have practical application in hardness testing, wear and impact damage of engineering ceramics, the design of dental prostheses, gear teeth, ball and roller bearings and many other engineering applications. Although the common concepts for studying these problems implies that the analysis is perform taking into account that elastic solids are imperfection free, the real problems, as well as various failure analysis, underline significance in taking into account those imperfections, [1]. Imperfections in metallic materials can be non-metallic inclusions, carbides, pores and other microstructural defects, [1, 2]. This paper describes model of two cylinders in contact made by metallic material with carbides. The Finite Element Analysis (FEA) is performed in order to discuss the influence of position, orientation and dimension of carbides on Hertz stresses for two cylinders in contact. Fig.1a shows the FEA model developed for calculation the Hertz stress state for two cylinders, and Fig.2 shows the position and dimension of carbides for two of the series of modelled cases.
C3  - 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia
T1  - Analysis of Hertz contact stresses for metallic material with carbides
EP  - 217
SP  - 216
UR  - https://hdl.handle.net/21.15107/rcub_rims_478
ER  - 

@conference{
author = "Atanasovska, Ivana and Momčilović, Dejan",
year = "2021",
abstract = "Hertz contact and the resulting stress-strain state arising from the contact between two elastic solids have practical application in hardness testing, wear and impact damage of engineering ceramics, the design of dental prostheses, gear teeth, ball and roller bearings and many other engineering applications. Although the common concepts for studying these problems implies that the analysis is perform taking into account that elastic solids are imperfection free, the real problems, as well as various failure analysis, underline significance in taking into account those imperfections, [1]. Imperfections in metallic materials can be non-metallic inclusions, carbides, pores and other microstructural defects, [1, 2]. This paper describes model of two cylinders in contact made by metallic material with carbides. The Finite Element Analysis (FEA) is performed in order to discuss the influence of position, orientation and dimension of carbides on Hertz stresses for two cylinders in contact. Fig.1a shows the FEA model developed for calculation the Hertz stress state for two cylinders, and Fig.2 shows the position and dimension of carbides for two of the series of modelled cases.",
journal = "8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia",
title = "Analysis of Hertz contact stresses for metallic material with carbides",
pages = "217-216",
url = "https://hdl.handle.net/21.15107/rcub_rims_478"
}

Atanasovska, I.,& Momčilović, D.. (2021). Analysis of Hertz contact stresses for metallic material with carbides. in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia, 216-217.
https://hdl.handle.net/21.15107/rcub_rims_478

Atanasovska I, Momčilović D. Analysis of Hertz contact stresses for metallic material with carbides. in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia. 2021;:216-217.
https://hdl.handle.net/21.15107/rcub_rims_478 .

Atanasovska, Ivana, Momčilović, Dejan, "Analysis of Hertz contact stresses for metallic material with carbides" in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia (2021):216-217,
https://hdl.handle.net/21.15107/rcub_rims_478 .

TY  - CONF
AU  - Atanasovska, Ivana
AU  - Momčilović, Dejan
PY  - 2021
UR  - http://rims.institutims.rs/handle/123456789/459
AB  - The presented research primarily considers with the geometric solutions that Nature has optimized. In the study presented in this paper, the nature inspired transition shapes are used in the research of innovative design and geometric optimization of transition zones of the high-loaded shafts.
C3  - 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia
T1  - Geometric optimization of shaft transition zone based on stress-strain analysis of nature inspired design
EP  - 187
SP  - 186
UR  - https://hdl.handle.net/21.15107/rcub_rims_459
ER  - 

@conference{
author = "Atanasovska, Ivana and Momčilović, Dejan",
year = "2021",
abstract = "The presented research primarily considers with the geometric solutions that Nature has optimized. In the study presented in this paper, the nature inspired transition shapes are used in the research of innovative design and geometric optimization of transition zones of the high-loaded shafts.",
journal = "8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia",
title = "Geometric optimization of shaft transition zone based on stress-strain analysis of nature inspired design",
pages = "187-186",
url = "https://hdl.handle.net/21.15107/rcub_rims_459"
}

Atanasovska, I.,& Momčilović, D.. (2021). Geometric optimization of shaft transition zone based on stress-strain analysis of nature inspired design. in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia, 186-187.
https://hdl.handle.net/21.15107/rcub_rims_459

Atanasovska I, Momčilović D. Geometric optimization of shaft transition zone based on stress-strain analysis of nature inspired design. in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia. 2021;:186-187.
https://hdl.handle.net/21.15107/rcub_rims_459 .

Atanasovska, Ivana, Momčilović, Dejan, "Geometric optimization of shaft transition zone based on stress-strain analysis of nature inspired design" in 8th International Congress of Serbian Society of Mechanics, Kragujevac, Serbia (2021):186-187,
https://hdl.handle.net/21.15107/rcub_rims_459 .