TY  - CONF
AU  - Vasić, Miloš
AU  - Vasić, Milica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/710
AB  - In this paper, the drying modeling of roofing tiles was done using a "lumped" approach. In
other words, several forces that are influencing internal moisture transport are combined to
create effective moisture diffusivity. For this reason, the effective diffusivity coefficient was
added to Cranck's diffusion equation. In their earlier works, the authors published the solution
to the diffusion equation, which assumes that effective diffusivity is constant. It was
demonstrated that, particularly if shrinkage is not taken into account during the computation
stage, the simulated drying curves differ from the experimental results. The next step was to
ascertain the time-dependent effective diffusivity and to more precisely anticipate the drying
kinetic. The general functional relationship between effective moisture diffusivity and Fourier
number was first determined to fulfill this assignment. Experimental proof of the proposed
model was provided. Less than 3% of the outcomes from the simulation and the experiment
deviated from each other. This was a resounding affirmation that effective diffusivity is not
constant during drying and that all internal transport mechanisms are observable in their timedependent
relation.
PB  - Serbian Ceramic Society
C3  - Serbian Ceramic Society Conference - ADVANCED CERAMICS AND APPLICATION XI Program and the Book of Abstracts
T1  - The lumped approach in drying modeling of roofing tiles – variable effective diffusivity determination
SP  - 54
UR  - https://hdl.handle.net/21.15107/rcub_rims_710
ER  - 

@conference{
author = "Vasić, Miloš and Vasić, Milica",
year = "2023",
abstract = "In this paper, the drying modeling of roofing tiles was done using a "lumped" approach. In
other words, several forces that are influencing internal moisture transport are combined to
create effective moisture diffusivity. For this reason, the effective diffusivity coefficient was
added to Cranck's diffusion equation. In their earlier works, the authors published the solution
to the diffusion equation, which assumes that effective diffusivity is constant. It was
demonstrated that, particularly if shrinkage is not taken into account during the computation
stage, the simulated drying curves differ from the experimental results. The next step was to
ascertain the time-dependent effective diffusivity and to more precisely anticipate the drying
kinetic. The general functional relationship between effective moisture diffusivity and Fourier
number was first determined to fulfill this assignment. Experimental proof of the proposed
model was provided. Less than 3% of the outcomes from the simulation and the experiment
deviated from each other. This was a resounding affirmation that effective diffusivity is not
constant during drying and that all internal transport mechanisms are observable in their timedependent
relation.",
publisher = "Serbian Ceramic Society",
journal = "Serbian Ceramic Society Conference - ADVANCED CERAMICS AND APPLICATION XI Program and the Book of Abstracts",
title = "The lumped approach in drying modeling of roofing tiles – variable effective diffusivity determination",
pages = "54",
url = "https://hdl.handle.net/21.15107/rcub_rims_710"
}

Vasić, M.,& Vasić, M.. (2023). The lumped approach in drying modeling of roofing tiles – variable effective diffusivity determination. in Serbian Ceramic Society Conference - ADVANCED CERAMICS AND APPLICATION XI Program and the Book of Abstracts
Serbian Ceramic Society., 54.
https://hdl.handle.net/21.15107/rcub_rims_710

Vasić M, Vasić M. The lumped approach in drying modeling of roofing tiles – variable effective diffusivity determination. in Serbian Ceramic Society Conference - ADVANCED CERAMICS AND APPLICATION XI Program and the Book of Abstracts. 2023;:54.
https://hdl.handle.net/21.15107/rcub_rims_710 .

Vasić, Miloš, Vasić, Milica, "The lumped approach in drying modeling of roofing tiles – variable effective diffusivity determination" in Serbian Ceramic Society Conference - ADVANCED CERAMICS AND APPLICATION XI Program and the Book of Abstracts (2023):54,
https://hdl.handle.net/21.15107/rcub_rims_710 .

TY  - CONF
AU  - Ilić, Snežana
AU  - Džolev, Igor
AU  - Laban, Mirjana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/706
AB  - The problems of steady-state and transient heat conduction for a given geometry can be
solved analytically and numerically. While the use of analytical solutions is limited,
numerical methods can be used to solve heat transfer problems in complex geometries
with more intricate boundary conditions, using computer simulations. Complex
geometries are discretized to form an efficient numerical mesh for solving the given
problem. This paper focuses on the calculation of one-dimensional, transient heat
transfer for a wall with a thickness of 4 cm. The wall temperatures are calculated for
each mesh node at a given moment in time. Two types of analyses were performed,
using FSM analysis (Finite Strip Method) and FEM analysis (Finite Element Method).
The former was conducted using Microsoft Excel, while the latter was calculatedusing
ANSYS software. A parametric study was performed in order to analyse the influence
of spatial and temporal step size on the accuracy of the solution. Finally, the optimal
solution was determined to obtain temperature results with the lowest relative error
within the wall nodes, while maintaining the efficiency of the computational model.
C3  - INTERNATIONAL SCIENTIFIC CONFERENCE PLANNING, DESIGN, CONSTRUCTION AND BUILDING RENEWAL, iNDiS 2023, Proceedings
T1  - Optimal numerical model of a non-stationary heat transfer through a wall
UR  - https://hdl.handle.net/21.15107/rcub_rims_706
ER  - 

@conference{
author = "Ilić, Snežana and Džolev, Igor and Laban, Mirjana",
year = "2023",
abstract = "The problems of steady-state and transient heat conduction for a given geometry can be
solved analytically and numerically. While the use of analytical solutions is limited,
numerical methods can be used to solve heat transfer problems in complex geometries
with more intricate boundary conditions, using computer simulations. Complex
geometries are discretized to form an efficient numerical mesh for solving the given
problem. This paper focuses on the calculation of one-dimensional, transient heat
transfer for a wall with a thickness of 4 cm. The wall temperatures are calculated for
each mesh node at a given moment in time. Two types of analyses were performed,
using FSM analysis (Finite Strip Method) and FEM analysis (Finite Element Method).
The former was conducted using Microsoft Excel, while the latter was calculatedusing
ANSYS software. A parametric study was performed in order to analyse the influence
of spatial and temporal step size on the accuracy of the solution. Finally, the optimal
solution was determined to obtain temperature results with the lowest relative error
within the wall nodes, while maintaining the efficiency of the computational model.",
journal = "INTERNATIONAL SCIENTIFIC CONFERENCE PLANNING, DESIGN, CONSTRUCTION AND BUILDING RENEWAL, iNDiS 2023, Proceedings",
title = "Optimal numerical model of a non-stationary heat transfer through a wall",
url = "https://hdl.handle.net/21.15107/rcub_rims_706"
}

Ilić, S., Džolev, I.,& Laban, M.. (2023). Optimal numerical model of a non-stationary heat transfer through a wall. in INTERNATIONAL SCIENTIFIC CONFERENCE PLANNING, DESIGN, CONSTRUCTION AND BUILDING RENEWAL, iNDiS 2023, Proceedings.
https://hdl.handle.net/21.15107/rcub_rims_706

Ilić S, Džolev I, Laban M. Optimal numerical model of a non-stationary heat transfer through a wall. in INTERNATIONAL SCIENTIFIC CONFERENCE PLANNING, DESIGN, CONSTRUCTION AND BUILDING RENEWAL, iNDiS 2023, Proceedings. 2023;.
https://hdl.handle.net/21.15107/rcub_rims_706 .

Ilić, Snežana, Džolev, Igor, Laban, Mirjana, "Optimal numerical model of a non-stationary heat transfer through a wall" in INTERNATIONAL SCIENTIFIC CONFERENCE PLANNING, DESIGN, CONSTRUCTION AND BUILDING RENEWAL, iNDiS 2023, Proceedings (2023),
https://hdl.handle.net/21.15107/rcub_rims_706 .

TY  - JOUR
AU  - Radojević, Zagorka
AU  - Vasić, Milica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/693
AB  - The technical features of the issues caused by the brick industry's usage of petroleum coke as a fuel were identified in this study. The effects were evaluated in terms of the concentration of hazardous materials in petroleum coke, the CO2, SO2 and NOx emissions in the flue gases, the corrosion of refractory materials in the furnace, the corrosion of pipelines and metal structures in the dryer and furnace, the deposition of sulfate scum on dry products, and the fixation of white scum on finished products. To assess the microstructure and composition of the regions of the samples exposed to flue gases and that inside the material, refractory brick samples from the furnace walls were examined under a microscope. The compressive stress of the part of the sample affected by the flue gas from the kiln is lowered by 37.3 %, which is caused by the agglomeration of sulfate salts and the presence of a high quantity of vanadium. It was determined that, regardless of potential energy savings, the sulfur concentration in petroleum coke must be below 5% if utilized as an energy source in the brick sector since there are suitable conditions for accelerated corrosion processes.
T2  - Building Materials and Structures
T1  - Negative impacts of petroleum coke as an energy source in the brick-making industry
IS  - 4
VL  - 66
DO  - 10.5937/GRMK2300010R
ER  - 

@article{
author = "Radojević, Zagorka and Vasić, Milica",
year = "2023",
abstract = "The technical features of the issues caused by the brick industry's usage of petroleum coke as a fuel were identified in this study. The effects were evaluated in terms of the concentration of hazardous materials in petroleum coke, the CO2, SO2 and NOx emissions in the flue gases, the corrosion of refractory materials in the furnace, the corrosion of pipelines and metal structures in the dryer and furnace, the deposition of sulfate scum on dry products, and the fixation of white scum on finished products. To assess the microstructure and composition of the regions of the samples exposed to flue gases and that inside the material, refractory brick samples from the furnace walls were examined under a microscope. The compressive stress of the part of the sample affected by the flue gas from the kiln is lowered by 37.3 %, which is caused by the agglomeration of sulfate salts and the presence of a high quantity of vanadium. It was determined that, regardless of potential energy savings, the sulfur concentration in petroleum coke must be below 5% if utilized as an energy source in the brick sector since there are suitable conditions for accelerated corrosion processes.",
journal = "Building Materials and Structures",
title = "Negative impacts of petroleum coke as an energy source in the brick-making industry",
number = "4",
volume = "66",
doi = "10.5937/GRMK2300010R"
}

Radojević, Z.,& Vasić, M.. (2023). Negative impacts of petroleum coke as an energy source in the brick-making industry. in Building Materials and Structures, 66(4).
https://doi.org/10.5937/GRMK2300010R

Radojević Z, Vasić M. Negative impacts of petroleum coke as an energy source in the brick-making industry. in Building Materials and Structures. 2023;66(4).
doi:10.5937/GRMK2300010R .

Radojević, Zagorka, Vasić, Milica, "Negative impacts of petroleum coke as an energy source in the brick-making industry" in Building Materials and Structures, 66, no. 4 (2023),
https://doi.org/10.5937/GRMK2300010R . .

TY  - JOUR
AU  - Dubale, Mandefrot
AU  - Vasić, Milica
AU  - Goel, Gaurav
AU  - Kalamdhad, Ajay
AU  - Singh, Laishram
PY  - 2023
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 = "2023",
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.. (2023). 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. 2023;.
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 (2023),
https://doi.org/10.3390/ma16010262 . .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Zečević, Bojana
AU  - Bulatović, Srđan
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/681
AB  - Pipelines, with specifics in design, construction, testing and safety requirements must be designed
based on all relevant influences to ensure that they are safe during their working life. Allowable
stresses must be limited by possible errors in working conditions, in order to completely eliminate
the uncertainty arising from the production, the calculation model, the actual working conditions and
the characteristics and behavior of the material. In the paper, on the example of modeling and
calculation of the corrosion-damaged structure of the ammonia (NH3) transfer pipeline, a
methodological approach to the calculation using the Finite Element Method (FEM), is shown, in
accordance with the methods defined by the new and general approach to standardization and
technical harmonization for pressure equipment (Pressure Equipment Directive - PED 97/23 EC).
The paper uses advanced modeling techniques of corroded surfaces, based on FEM, with the aim of
developing a procedure for assessing the residual strength of steel pipelines operating in the
environmental conditions of the chemical products industry. The presentation of possible damages
and consequences caused by the corrosion of steel pipelines in the chemical products industry is also
given, and the possibility of taking measures to prevent such occurrences is discussed.
PB  - SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)
C3  - XXIV YuCorr, Divčibare, Serbia-Proceedings
T1  - The Finite Element Method in the function of corrosion damage assessment of pipelines
EP  - 225
SP  - 216
UR  - https://hdl.handle.net/21.15107/rcub_rims_681
ER  - 

@conference{
author = "Aleksić, Vujadin and Zečević, Bojana and Bulatović, Srđan and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "Pipelines, with specifics in design, construction, testing and safety requirements must be designed
based on all relevant influences to ensure that they are safe during their working life. Allowable
stresses must be limited by possible errors in working conditions, in order to completely eliminate
the uncertainty arising from the production, the calculation model, the actual working conditions and
the characteristics and behavior of the material. In the paper, on the example of modeling and
calculation of the corrosion-damaged structure of the ammonia (NH3) transfer pipeline, a
methodological approach to the calculation using the Finite Element Method (FEM), is shown, in
accordance with the methods defined by the new and general approach to standardization and
technical harmonization for pressure equipment (Pressure Equipment Directive - PED 97/23 EC).
The paper uses advanced modeling techniques of corroded surfaces, based on FEM, with the aim of
developing a procedure for assessing the residual strength of steel pipelines operating in the
environmental conditions of the chemical products industry. The presentation of possible damages
and consequences caused by the corrosion of steel pipelines in the chemical products industry is also
given, and the possibility of taking measures to prevent such occurrences is discussed.",
publisher = "SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)",
journal = "XXIV YuCorr, Divčibare, Serbia-Proceedings",
title = "The Finite Element Method in the function of corrosion damage assessment of pipelines",
pages = "225-216",
url = "https://hdl.handle.net/21.15107/rcub_rims_681"
}

Aleksić, V., Zečević, B., Bulatović, S., Maksimović, A.,& Milović, L.. (2023). The Finite Element Method in the function of corrosion damage assessment of pipelines. in XXIV YuCorr, Divčibare, Serbia-Proceedings
SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)., 216-225.
https://hdl.handle.net/21.15107/rcub_rims_681

Aleksić V, Zečević B, Bulatović S, Maksimović A, Milović L. The Finite Element Method in the function of corrosion damage assessment of pipelines. in XXIV YuCorr, Divčibare, Serbia-Proceedings. 2023;:216-225.
https://hdl.handle.net/21.15107/rcub_rims_681 .

Aleksić, Vujadin, Zečević, Bojana, Bulatović, Srđan, Maksimović, Ana, Milović, Ljubica, "The Finite Element Method in the function of corrosion damage assessment of pipelines" in XXIV YuCorr, Divčibare, Serbia-Proceedings (2023):216-225,
https://hdl.handle.net/21.15107/rcub_rims_681 .

TY  - CONF
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Zečević, Bojana
AU  - Ristić, Ognjen
AU  - Maksimović, Ana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/680
AB  - This paper describes the procedures for preventing corrosion of welded joints. Also, a theoretical
overview of the forms of corrosion that are most prevalent in welded joints is presented.
The concept of corrosion in welded joints is very pronounced in real conditions. Welded joints are
inseparable joints that form an integral part of steel welded constructions. The internal energy
increases during the fusion welding especially in the heat affected places around the welded joint,
which become initiating spot of corrosion degradation. That is why it is of vital importance to focus
on ways to increase the resistance of welded structures to the impact of corrosion.
PB  - SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)
C3  - XXIV YuCorr, Divčibare, Serbia-Proceedings
T1  - Procedures for preventing corrosion of welded joints
EP  - 215
SP  - 210
UR  - https://hdl.handle.net/21.15107/rcub_rims_680
ER  - 

@conference{
author = "Bulatović, Srđan and Aleksić, Vujadin and Zečević, Bojana and Ristić, Ognjen and Maksimović, Ana",
year = "2023",
abstract = "This paper describes the procedures for preventing corrosion of welded joints. Also, a theoretical
overview of the forms of corrosion that are most prevalent in welded joints is presented.
The concept of corrosion in welded joints is very pronounced in real conditions. Welded joints are
inseparable joints that form an integral part of steel welded constructions. The internal energy
increases during the fusion welding especially in the heat affected places around the welded joint,
which become initiating spot of corrosion degradation. That is why it is of vital importance to focus
on ways to increase the resistance of welded structures to the impact of corrosion.",
publisher = "SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)",
journal = "XXIV YuCorr, Divčibare, Serbia-Proceedings",
title = "Procedures for preventing corrosion of welded joints",
pages = "215-210",
url = "https://hdl.handle.net/21.15107/rcub_rims_680"
}

Bulatović, S., Aleksić, V., Zečević, B., Ristić, O.,& Maksimović, A.. (2023). Procedures for preventing corrosion of welded joints. in XXIV YuCorr, Divčibare, Serbia-Proceedings
SERBIAN SOCIETY OF CORROSION AND MATERIALS PROTECTION (UISKOZAM)., 210-215.
https://hdl.handle.net/21.15107/rcub_rims_680

Bulatović S, Aleksić V, Zečević B, Ristić O, Maksimović A. Procedures for preventing corrosion of welded joints. in XXIV YuCorr, Divčibare, Serbia-Proceedings. 2023;:210-215.
https://hdl.handle.net/21.15107/rcub_rims_680 .

Bulatović, Srđan, Aleksić, Vujadin, Zečević, Bojana, Ristić, Ognjen, Maksimović, Ana, "Procedures for preventing corrosion of welded joints" in XXIV YuCorr, Divčibare, Serbia-Proceedings (2023):210-215,
https://hdl.handle.net/21.15107/rcub_rims_680 .

TY  - JOUR
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Zečević, Bojana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/682
AB  - Hydroelectric generating units at hydro power plants consist of turbine and hydromechanical equipment, which components could be subject to a large number of European Directives. Responsibility of turbine manufacturer is to make sure that certain components of equipment are in agreement with requirements of the specific Directive. This paper offers the opportunity to perceive the possibility of applying the Pressure Equipment Directive 97/23/EC, Simple Pressure Vessels Directive 2009/105/EC, Machinery Directive 98/37/EEC and Low Voltage Directive 2006/95/EC for turbine equipment at hydro power plants ‘Djerdap 1’ and ‘Djerdap 2’, because components of the turbine regulator and of the lubrication system, of the runner and measurement and regulation system are individually subject to different Directives. The overview of the possible approach regarding the standardization and technical harmonization of turbine equipment components for easier assessment of their integrity is also presented in this paper.
T2  - International Journal of Manufacturing Economics and Management
T1  - European Directives Through the Integrity Evaluation of the Mechanical Equipment
IS  - 1
VL  - 3
DO  - 10.54684/ijmem.2023.3.1.17
ER  - 

@article{
author = "Bulatović, Srđan and Aleksić, Vujadin and Zečević, Bojana",
year = "2023",
abstract = "Hydroelectric generating units at hydro power plants consist of turbine and hydromechanical equipment, which components could be subject to a large number of European Directives. Responsibility of turbine manufacturer is to make sure that certain components of equipment are in agreement with requirements of the specific Directive. This paper offers the opportunity to perceive the possibility of applying the Pressure Equipment Directive 97/23/EC, Simple Pressure Vessels Directive 2009/105/EC, Machinery Directive 98/37/EEC and Low Voltage Directive 2006/95/EC for turbine equipment at hydro power plants ‘Djerdap 1’ and ‘Djerdap 2’, because components of the turbine regulator and of the lubrication system, of the runner and measurement and regulation system are individually subject to different Directives. The overview of the possible approach regarding the standardization and technical harmonization of turbine equipment components for easier assessment of their integrity is also presented in this paper.",
journal = "International Journal of Manufacturing Economics and Management",
title = "European Directives Through the Integrity Evaluation of the Mechanical Equipment",
number = "1",
volume = "3",
doi = "10.54684/ijmem.2023.3.1.17"
}

Bulatović, S., Aleksić, V.,& Zečević, B.. (2023). European Directives Through the Integrity Evaluation of the Mechanical Equipment. in International Journal of Manufacturing Economics and Management, 3(1).
https://doi.org/10.54684/ijmem.2023.3.1.17

Bulatović S, Aleksić V, Zečević B. European Directives Through the Integrity Evaluation of the Mechanical Equipment. in International Journal of Manufacturing Economics and Management. 2023;3(1).
doi:10.54684/ijmem.2023.3.1.17 .

Bulatović, Srđan, Aleksić, Vujadin, Zečević, Bojana, "European Directives Through the Integrity Evaluation of the Mechanical Equipment" in International Journal of Manufacturing Economics and Management, 3, no. 1 (2023),
https://doi.org/10.54684/ijmem.2023.3.1.17 . .

TY  - CONF
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Zečević, Bojana
AU  - Prochaska, Biljana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/679
AB  - After several decades of constant exploitation of the horizontal bulb turbine, which is an integral
part of the hydroelectric power unit, empirically, the formation of a crack occurs in the turbine shaft
due to the influence of corrosion, erosion and cavitation.
Through experimental tests and calculations it has been determined that values of bending stresses
of the turbine, which occur due to the action of fatigue and corrosion, as well as stress concentration,
are bigger than 25 MPa for flanges exposed to water, and in other case bigger than 40 MPa for
flanges exposed to `corrosive water` and can cause the occurrence of surface cracks on the transition
radius between the cylindrical part of the shaft and the flange. It has been determined that stress
values in the zone under the influence of bending stresses were bigger than allowable values, which
led to the occurrence of many cracks due to fatigue corrosion. One of those cracks caused the failure
of the shaft and of the whole turbine.
C3  - 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI
T1  - Occurrence of cracks due to inadequate turbine shaft construction
EP  - 192
SP  - 187
UR  - https://hdl.handle.net/21.15107/rcub_rims_679
ER  - 

@conference{
author = "Bulatović, Srđan and Aleksić, Vujadin and Zečević, Bojana and Prochaska, Biljana",
year = "2023",
abstract = "After several decades of constant exploitation of the horizontal bulb turbine, which is an integral
part of the hydroelectric power unit, empirically, the formation of a crack occurs in the turbine shaft
due to the influence of corrosion, erosion and cavitation.
Through experimental tests and calculations it has been determined that values of bending stresses
of the turbine, which occur due to the action of fatigue and corrosion, as well as stress concentration,
are bigger than 25 MPa for flanges exposed to water, and in other case bigger than 40 MPa for
flanges exposed to `corrosive water` and can cause the occurrence of surface cracks on the transition
radius between the cylindrical part of the shaft and the flange. It has been determined that stress
values in the zone under the influence of bending stresses were bigger than allowable values, which
led to the occurrence of many cracks due to fatigue corrosion. One of those cracks caused the failure
of the shaft and of the whole turbine.",
journal = "16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI",
title = "Occurrence of cracks due to inadequate turbine shaft construction",
pages = "192-187",
url = "https://hdl.handle.net/21.15107/rcub_rims_679"
}

Bulatović, S., Aleksić, V., Zečević, B.,& Prochaska, B.. (2023). Occurrence of cracks due to inadequate turbine shaft construction. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI, 187-192.
https://hdl.handle.net/21.15107/rcub_rims_679

Bulatović S, Aleksić V, Zečević B, Prochaska B. Occurrence of cracks due to inadequate turbine shaft construction. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI. 2023;:187-192.
https://hdl.handle.net/21.15107/rcub_rims_679 .

Bulatović, Srđan, Aleksić, Vujadin, Zečević, Bojana, Prochaska, Biljana, "Occurrence of cracks due to inadequate turbine shaft construction" in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI (2023):187-192,
https://hdl.handle.net/21.15107/rcub_rims_679 .

TY  - CONF
AU  - Aleksić, Vujadin
AU  - Bulatović, Srđan
AU  - Zečević, Bojana
AU  - Maksimović, Ana
AU  - Milović, Ljubica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/678
AB  - In the paper, based on the results of experimental research on the behavior of samples in the form of
round smooth test specimens (STS) made of high strength low alloy steel (HSLA), Nionikral 70 (NN
70), under conditions of low cycle fatigue (LCF), a computational stress analysis was performed
using numerical methods.
Experimental investigations of the behavior of the samples were performed with controlled and fully
reversible deformation ( /2 = const, R = min/ max = 1), according to the ISO 12106:2003 (E)
standard.
For computational analyses, the method of least squares (in the Excel program) and the finite
element method (FEM) (in the SolidWorks program) were used. The behavior of HSLA steel during
low cycle fatigue (LCF) simulation was analyzed in the Cosmos module of the SolidWorks program.
On the basis of the analysis of the results of the stress deformation state and the determination of the
life span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. Specific load cycles involving the entire round smooth test specimen
ligament for a specific load in a wide range of LCF loads were analyzed.
The analyzes showed the justification of the effort to solve the life assessment of steel subjected to
low cycle fatigue (LCF) numerically. The results of experimental tests and simulation tests also gave
us important data on understanding the LCF behavior of HSLA steel NN 70.
C3  - 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI
T1  - Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue
EP  - 499
SP  - 490
UR  - https://hdl.handle.net/21.15107/rcub_rims_678
ER  - 

@conference{
author = "Aleksić, Vujadin and Bulatović, Srđan and Zečević, Bojana and Maksimović, Ana and Milović, Ljubica",
year = "2023",
abstract = "In the paper, based on the results of experimental research on the behavior of samples in the form of
round smooth test specimens (STS) made of high strength low alloy steel (HSLA), Nionikral 70 (NN
70), under conditions of low cycle fatigue (LCF), a computational stress analysis was performed
using numerical methods.
Experimental investigations of the behavior of the samples were performed with controlled and fully
reversible deformation ( /2 = const, R = min/ max = 1), according to the ISO 12106:2003 (E)
standard.
For computational analyses, the method of least squares (in the Excel program) and the finite
element method (FEM) (in the SolidWorks program) were used. The behavior of HSLA steel during
low cycle fatigue (LCF) simulation was analyzed in the Cosmos module of the SolidWorks program.
On the basis of the analysis of the results of the stress deformation state and the determination of the
life span through the isolines of the life span and comparison with the results of experimental tests, a
graphic representation is given. Specific load cycles involving the entire round smooth test specimen
ligament for a specific load in a wide range of LCF loads were analyzed.
The analyzes showed the justification of the effort to solve the life assessment of steel subjected to
low cycle fatigue (LCF) numerically. The results of experimental tests and simulation tests also gave
us important data on understanding the LCF behavior of HSLA steel NN 70.",
journal = "16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI",
title = "Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue",
pages = "499-490",
url = "https://hdl.handle.net/21.15107/rcub_rims_678"
}

Aleksić, V., Bulatović, S., Zečević, B., Maksimović, A.,& Milović, L.. (2023). Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI, 490-499.
https://hdl.handle.net/21.15107/rcub_rims_678

Aleksić V, Bulatović S, Zečević B, Maksimović A, Milović L. Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue. in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI. 2023;:490-499.
https://hdl.handle.net/21.15107/rcub_rims_678 .

Aleksić, Vujadin, Bulatović, Srđan, Zečević, Bojana, Maksimović, Ana, Milović, Ljubica, "Life assessment using the finite element method of high-strength low-alloy steel samples exposed to low-cycle fatigue" in 16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI (2023):490-499,
https://hdl.handle.net/21.15107/rcub_rims_678 .

TY  - CONF
AU  - Božović, Nikola
AU  - Ćosić, Mladen
AU  - Đoković, Ksenija
AU  - Milićević, Rajo
AU  - Krstić, Marija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/671
AB  - In the paper, the analysis of the bearing capacity of the pile and the redistribution of the
load on the pile toe and shaft was carried out. The tests were carried out by a static load test (SLT)
incrementally increasing the compressive force on the test pile, and the tension force on the anchor
piles. The test system consisted of one test pile and two anchor piles with a reaction beam. Two
tests were conducted according to the same test program, where the test piles were of the same
length, while the length of the anchor piles in the second test was increased. In the first test, the
anchor pile failed, while in the second test, the test pile failed. Based on the achieved limit values of
settlement of the test and anchor pile, the bearing capacity of the test pile at the toe and shaft was
determined. Subsequently, a CPT test was carried out and the bearing capacity was calculated
according to the LPC-CPT method.
C3  - GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja
T1  - Pile capacity distribution analysis for SLT with reactive system
EP  - 288
SP  - 282
UR  - https://hdl.handle.net/21.15107/rcub_rims_671
ER  - 

@conference{
author = "Božović, Nikola and Ćosić, Mladen and Đoković, Ksenija and Milićević, Rajo and Krstić, Marija",
year = "2023",
abstract = "In the paper, the analysis of the bearing capacity of the pile and the redistribution of the
load on the pile toe and shaft was carried out. The tests were carried out by a static load test (SLT)
incrementally increasing the compressive force on the test pile, and the tension force on the anchor
piles. The test system consisted of one test pile and two anchor piles with a reaction beam. Two
tests were conducted according to the same test program, where the test piles were of the same
length, while the length of the anchor piles in the second test was increased. In the first test, the
anchor pile failed, while in the second test, the test pile failed. Based on the achieved limit values of
settlement of the test and anchor pile, the bearing capacity of the test pile at the toe and shaft was
determined. Subsequently, a CPT test was carried out and the bearing capacity was calculated
according to the LPC-CPT method.",
journal = "GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja",
title = "Pile capacity distribution analysis for SLT with reactive system",
pages = "288-282",
url = "https://hdl.handle.net/21.15107/rcub_rims_671"
}

Božović, N., Ćosić, M., Đoković, K., Milićević, R.,& Krstić, M.. (2023). Pile capacity distribution analysis for SLT with reactive system. in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja, 282-288.
https://hdl.handle.net/21.15107/rcub_rims_671

Božović N, Ćosić M, Đoković K, Milićević R, Krstić M. Pile capacity distribution analysis for SLT with reactive system. in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja. 2023;:282-288.
https://hdl.handle.net/21.15107/rcub_rims_671 .

Božović, Nikola, Ćosić, Mladen, Đoković, Ksenija, Milićević, Rajo, Krstić, Marija, "Pile capacity distribution analysis for SLT with reactive system" in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja (2023):282-288,
https://hdl.handle.net/21.15107/rcub_rims_671 .

TY  - CONF
AU  - Ćosić, Mladen
AU  - Šušić, Nenad
AU  - Prica, Marko
AU  - Božović, Nikola
AU  - Đoković, Ksenija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/672
AB  - U radu je prikazan sadržaj predloženog dokumenta Elaborata ispitivanja šipova i jasnije
su razjašnjene aktivnosti koje su obuhvaćene ovim dokumentom. Na primeru objekta Ušće 2
demonstrirana je primena jednog dela rešenja o ispitivanju šipova, a što bi se našlo u samom
elaboratu. Analizirane su količine (obim) ispitivanja šipova po tipovima testova i analizirane su
aktivnosti u okviru svakog pojedinačnog testa. Naglašeno je da je potrebna bolja saradnja na
relaciji projektant, izvođač i nadzora prema ispitivaču šipova.
C3  - GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja
T1  - Analiza modela upravljanja kvalitetom ispitivanja šipova
EP  - 581
SP  - 571
UR  - https://hdl.handle.net/21.15107/rcub_rims_672
ER  - 

@conference{
author = "Ćosić, Mladen and Šušić, Nenad and Prica, Marko and Božović, Nikola and Đoković, Ksenija",
year = "2023",
abstract = "U radu je prikazan sadržaj predloženog dokumenta Elaborata ispitivanja šipova i jasnije
su razjašnjene aktivnosti koje su obuhvaćene ovim dokumentom. Na primeru objekta Ušće 2
demonstrirana je primena jednog dela rešenja o ispitivanju šipova, a što bi se našlo u samom
elaboratu. Analizirane su količine (obim) ispitivanja šipova po tipovima testova i analizirane su
aktivnosti u okviru svakog pojedinačnog testa. Naglašeno je da je potrebna bolja saradnja na
relaciji projektant, izvođač i nadzora prema ispitivaču šipova.",
journal = "GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja",
title = "Analiza modela upravljanja kvalitetom ispitivanja šipova",
pages = "581-571",
url = "https://hdl.handle.net/21.15107/rcub_rims_672"
}

Ćosić, M., Šušić, N., Prica, M., Božović, N.,& Đoković, K.. (2023). Analiza modela upravljanja kvalitetom ispitivanja šipova. in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja, 571-581.
https://hdl.handle.net/21.15107/rcub_rims_672

Ćosić M, Šušić N, Prica M, Božović N, Đoković K. Analiza modela upravljanja kvalitetom ispitivanja šipova. in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja. 2023;:571-581.
https://hdl.handle.net/21.15107/rcub_rims_672 .

Ćosić, Mladen, Šušić, Nenad, Prica, Marko, Božović, Nikola, Đoković, Ksenija, "Analiza modela upravljanja kvalitetom ispitivanja šipova" in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja (2023):571-581,
https://hdl.handle.net/21.15107/rcub_rims_672 .

TY  - CONF
AU  - Ćosić, Mladen
AU  - Šušić, Nenad
AU  - Prica, Marko
AU  - Božović, Nikola
AU  - Đoković, Ksenija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/673
AB  - U radu je ukazano na postojeće probleme koji se pojavljuju prilikom planiranja, u toku i
nakon ispitivanja šipova. U tom smislu, na osnovu iskustava autora rada, predloženi su modeli
upravljanja kvalitetom ispitivanja šipova kojima se efikasnije planiraju i rešavaju sve aktivnosti
ispitivanja šipova i utiče na donošenje odluka koje se u praksi neadekvatno rešavaju. Posebno je
naglašeno uvođenje i primena Elaborata ispitivanja šipova kao nova forma dokumenta u kojem bi
se celokupna aktivnost planiranja, ispitivanja i donošenja odluka nakon ispitivnaja adekvatno
ispratili.
C3  - GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja
T1  - Razvoj modela upravljanja kvalitetom ispitivanja šipova
EP  - 570
SP  - 558
UR  - https://hdl.handle.net/21.15107/rcub_rims_673
ER  - 

@conference{
author = "Ćosić, Mladen and Šušić, Nenad and Prica, Marko and Božović, Nikola and Đoković, Ksenija",
year = "2023",
abstract = "U radu je ukazano na postojeće probleme koji se pojavljuju prilikom planiranja, u toku i
nakon ispitivanja šipova. U tom smislu, na osnovu iskustava autora rada, predloženi su modeli
upravljanja kvalitetom ispitivanja šipova kojima se efikasnije planiraju i rešavaju sve aktivnosti
ispitivanja šipova i utiče na donošenje odluka koje se u praksi neadekvatno rešavaju. Posebno je
naglašeno uvođenje i primena Elaborata ispitivanja šipova kao nova forma dokumenta u kojem bi
se celokupna aktivnost planiranja, ispitivanja i donošenja odluka nakon ispitivnaja adekvatno
ispratili.",
journal = "GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja",
title = "Razvoj modela upravljanja kvalitetom ispitivanja šipova",
pages = "570-558",
url = "https://hdl.handle.net/21.15107/rcub_rims_673"
}

Ćosić, M., Šušić, N., Prica, M., Božović, N.,& Đoković, K.. (2023). Razvoj modela upravljanja kvalitetom ispitivanja šipova. in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja, 558-570.
https://hdl.handle.net/21.15107/rcub_rims_673

Ćosić M, Šušić N, Prica M, Božović N, Đoković K. Razvoj modela upravljanja kvalitetom ispitivanja šipova. in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja. 2023;:558-570.
https://hdl.handle.net/21.15107/rcub_rims_673 .

Ćosić, Mladen, Šušić, Nenad, Prica, Marko, Božović, Nikola, Đoković, Ksenija, "Razvoj modela upravljanja kvalitetom ispitivanja šipova" in GEOTEHNIČKI ASPEKTI GRAĐEVINARSTVA I ZEMLJOTRESNO INŽENJERSTVO - Vrnjačka Banja (2023):558-570,
https://hdl.handle.net/21.15107/rcub_rims_673 .

TY  - CONF
AU  - Krstić, Marija
AU  - Božović, Nikola
AU  - Milićević, Rajo
AU  - Đoković, Ksenija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/675
AB  - The paper presents the technical solution for the foundation of the facilities of the
Boiler House for the energy utilization of waste and chimneys. Next to the boiler house, the
construction of a Bunker for waste storage is planned, which is founded at a depth of 6.0m below
the top of the boiler house's base plate. Based on the conditions of limited settlement, the
foundation of the boiler house was envisioned on drilled piles, while a hidden pile wall was
designed to protect the foundation pit of the bunker, which has the function of preventing large
deformations of the boiler house structure and does not jeopardize its stability. Calculations of the
bearing capacity of the piles based on the soil parameters from the geotechnical study are
presented, as well as the results of the pile tests with axial vertical pressure force.
C3  - GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja
T1  - Technical solution for the foundation of the elixire group waste to energy treatment in Prahovo
EP  - 371
SP  - 364
UR  - https://hdl.handle.net/21.15107/rcub_rims_675
ER  - 

@conference{
author = "Krstić, Marija and Božović, Nikola and Milićević, Rajo and Đoković, Ksenija",
year = "2023",
abstract = "The paper presents the technical solution for the foundation of the facilities of the
Boiler House for the energy utilization of waste and chimneys. Next to the boiler house, the
construction of a Bunker for waste storage is planned, which is founded at a depth of 6.0m below
the top of the boiler house's base plate. Based on the conditions of limited settlement, the
foundation of the boiler house was envisioned on drilled piles, while a hidden pile wall was
designed to protect the foundation pit of the bunker, which has the function of preventing large
deformations of the boiler house structure and does not jeopardize its stability. Calculations of the
bearing capacity of the piles based on the soil parameters from the geotechnical study are
presented, as well as the results of the pile tests with axial vertical pressure force.",
journal = "GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja",
title = "Technical solution for the foundation of the elixire group waste to energy treatment in Prahovo",
pages = "371-364",
url = "https://hdl.handle.net/21.15107/rcub_rims_675"
}

Krstić, M., Božović, N., Milićević, R.,& Đoković, K.. (2023). Technical solution for the foundation of the elixire group waste to energy treatment in Prahovo. in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja, 364-371.
https://hdl.handle.net/21.15107/rcub_rims_675

Krstić M, Božović N, Milićević R, Đoković K. Technical solution for the foundation of the elixire group waste to energy treatment in Prahovo. in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja. 2023;:364-371.
https://hdl.handle.net/21.15107/rcub_rims_675 .

Krstić, Marija, Božović, Nikola, Milićević, Rajo, Đoković, Ksenija, "Technical solution for the foundation of the elixire group waste to energy treatment in Prahovo" in GEOTECHNICAL ASPECTS OF CIVIL ENGINEERING AND EARTHQUAKE ENGINEERING - Vrnjačka Banja (2023):364-371,
https://hdl.handle.net/21.15107/rcub_rims_675 .

TY  - JOUR
AU  - Aleksić, Vujadin
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/664
AB  - Designing, constructing and putting into operation a hydroelectric power plant includes complex
tasks. Stresses of turbine and hydromechanical equipment of hydro power plants arise during the
production of parts and assembly of equipment (residual stresses), in the process of performing
functional requirements in exploitation and in the disturbed process of exploitation.
After several decades of constant exploitation of the horizontal bulb turbine, which is an integral
part of the hydroelectric power unit, empirically, the formation of a crack occurs in the turbine
shaft due to the influence of corrosion, erosion and cavitation.
Through experimental tests and calculations it has been determined that values of bending stresses
of the turbine, which occur due to the action of fatigue and corrosion, as well as stress
concentration, are bigger than 25 MPa for flanges exposed to water, and in other case bigger than
40 MPa for flanges exposed to `corrosive water` and can cause the occurrence of surface cracks
on the transition radius between the cylindrical part of the shaft and the flange. It has been
determined that stress values in the zone under the influence of bending stresses were bigger than
allowable values, which led to the occurrence of many cracks due to fatigue corrosion. One of
those cracks caused the failure of the shaft and of the whole turbine.
T2  - Advanced Technologies & Materials
T1  - Presence of crack due the constant exploitation of turbine shaft
EP  - 25
IS  - 1
SP  - 21
VL  - 48
DO  - 10.24867/ATM-2023-1-004
ER  - 

@article{
author = "Aleksić, Vujadin",
year = "2023",
abstract = "Designing, constructing and putting into operation a hydroelectric power plant includes complex
tasks. Stresses of turbine and hydromechanical equipment of hydro power plants arise during the
production of parts and assembly of equipment (residual stresses), in the process of performing
functional requirements in exploitation and in the disturbed process of exploitation.
After several decades of constant exploitation of the horizontal bulb turbine, which is an integral
part of the hydroelectric power unit, empirically, the formation of a crack occurs in the turbine
shaft due to the influence of corrosion, erosion and cavitation.
Through experimental tests and calculations it has been determined that values of bending stresses
of the turbine, which occur due to the action of fatigue and corrosion, as well as stress
concentration, are bigger than 25 MPa for flanges exposed to water, and in other case bigger than
40 MPa for flanges exposed to `corrosive water` and can cause the occurrence of surface cracks
on the transition radius between the cylindrical part of the shaft and the flange. It has been
determined that stress values in the zone under the influence of bending stresses were bigger than
allowable values, which led to the occurrence of many cracks due to fatigue corrosion. One of
those cracks caused the failure of the shaft and of the whole turbine.",
journal = "Advanced Technologies & Materials",
title = "Presence of crack due the constant exploitation of turbine shaft",
pages = "25-21",
number = "1",
volume = "48",
doi = "10.24867/ATM-2023-1-004"
}

Aleksić, V.. (2023). Presence of crack due the constant exploitation of turbine shaft. in Advanced Technologies & Materials, 48(1), 21-25.
https://doi.org/10.24867/ATM-2023-1-004

Aleksić V. Presence of crack due the constant exploitation of turbine shaft. in Advanced Technologies & Materials. 2023;48(1):21-25.
doi:10.24867/ATM-2023-1-004 .

Aleksić, Vujadin, "Presence of crack due the constant exploitation of turbine shaft" in Advanced Technologies & Materials, 48, no. 1 (2023):21-25,
https://doi.org/10.24867/ATM-2023-1-004 . .

TY  - JOUR
AU  - Veselinović, Gorica
AU  - Štrbac, Snežana
AU  - Antić, Nevena
AU  - Ferreira, Carla
AU  - Dinca, Lucian
AU  - Mijatović, Nevenka
AU  - Kašanin-Grubin, Milica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/653
AB  - The quality and vitality of cities largely depend on the design, management, and maintenance of green areas, including urban protected areas (UPAs), since they provide multiple benefits for the city. Due to urbanization and higher anthropogenic pressure, green areas are decreasing which directly affects natural habitats and biodiversity. This study aims to assess soil and vegetation chemical status in UPAs in the city of Belgrade, Serbia, and to understand how their distance from pollution hotspots affects soil and vegetation quality. Additionally, this paper considers the inclusion of soil and vegetation conditions in the urban protected areas management as a basis for introducing a connectivity approach to expand green infrastructure throughout the city. Chemical properties, the content of nutrients (C, N, P, and K), and microelements (Cr, Co, Ni, Cu, Zn, As, Cd, Sn, Pb, Zr, U, and Th) in soil and conifer needles were analyzed. Results showed that the distance of pollution hotspots does not affect nutrient and microelements concentrations in soil, i.e., they do not vary significantly between sites and do not exceed remediation intervention values. However, the microelements status of vegetation is affected since Cr, Cu, Zn, Sn, and Pb are higher in needles from trees from the city center. The state of soil and plant composition supports the establishment of a network of green corridors and should become a part of management strategies, thus helping biodiversity protection, climate change mitigation, and human well-being in the cities.
PB  - Springer
T2  - Environmental Geochemistry & Health
T1  - Connectivity approach in urban protected area management based on soil and vegetation chemical status
DO  - 10.1007/s10653-023-01553-4
ER  - 

@article{
author = "Veselinović, Gorica and Štrbac, Snežana and Antić, Nevena and Ferreira, Carla and Dinca, Lucian and Mijatović, Nevenka and Kašanin-Grubin, Milica",
year = "2023",
abstract = "The quality and vitality of cities largely depend on the design, management, and maintenance of green areas, including urban protected areas (UPAs), since they provide multiple benefits for the city. Due to urbanization and higher anthropogenic pressure, green areas are decreasing which directly affects natural habitats and biodiversity. This study aims to assess soil and vegetation chemical status in UPAs in the city of Belgrade, Serbia, and to understand how their distance from pollution hotspots affects soil and vegetation quality. Additionally, this paper considers the inclusion of soil and vegetation conditions in the urban protected areas management as a basis for introducing a connectivity approach to expand green infrastructure throughout the city. Chemical properties, the content of nutrients (C, N, P, and K), and microelements (Cr, Co, Ni, Cu, Zn, As, Cd, Sn, Pb, Zr, U, and Th) in soil and conifer needles were analyzed. Results showed that the distance of pollution hotspots does not affect nutrient and microelements concentrations in soil, i.e., they do not vary significantly between sites and do not exceed remediation intervention values. However, the microelements status of vegetation is affected since Cr, Cu, Zn, Sn, and Pb are higher in needles from trees from the city center. The state of soil and plant composition supports the establishment of a network of green corridors and should become a part of management strategies, thus helping biodiversity protection, climate change mitigation, and human well-being in the cities.",
publisher = "Springer",
journal = "Environmental Geochemistry & Health",
title = "Connectivity approach in urban protected area management based on soil and vegetation chemical status",
doi = "10.1007/s10653-023-01553-4"
}

Veselinović, G., Štrbac, S., Antić, N., Ferreira, C., Dinca, L., Mijatović, N.,& Kašanin-Grubin, M.. (2023). Connectivity approach in urban protected area management based on soil and vegetation chemical status. in Environmental Geochemistry & Health
Springer..
https://doi.org/10.1007/s10653-023-01553-4

Veselinović G, Štrbac S, Antić N, Ferreira C, Dinca L, Mijatović N, Kašanin-Grubin M. Connectivity approach in urban protected area management based on soil and vegetation chemical status. in Environmental Geochemistry & Health. 2023;.
doi:10.1007/s10653-023-01553-4 .

Veselinović, Gorica, Štrbac, Snežana, Antić, Nevena, Ferreira, Carla, Dinca, Lucian, Mijatović, Nevenka, Kašanin-Grubin, Milica, "Connectivity approach in urban protected area management based on soil and vegetation chemical status" in Environmental Geochemistry & Health (2023),
https://doi.org/10.1007/s10653-023-01553-4 . .

TY  - JOUR
AU  - Ćosić, Mladen
AU  - Šušić, Nenad
AU  - Prica, Marko
AU  - Đoković, Ksenija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/493
AB  - The paper shows the comparative analysis of behavior and bearing capacity of piles examined using the Dynamic Load Test (DLT) according to Static Load Test (SLT) results. The pile testing methodology is based on the existing ASTM standards and experiences of the authors of the paper. The pile tests were carried out using counterweights, reactive system, dynamic testing equipment, hardware and software for SLT and DLT. The data obtained by testing were statis-tically processed, and also a regression analysis of the linear function was conducted, resulting in the creation of the model for the change of mobilized static bearing capacity from DLT according to SLT. In addition, a procedure for correcting the solution of mobilized static bearing capacity from DLT according to SLT, is made by observing provisions of standard EN 1997-1:2004, so the average deviation of solutions from DLT according to SLT is reduced. Apart from that, through iterations, the value of correlation factor ξ5 is determined, taking into consideration solutions presented by SLT and DLT of piles of the real structures.
T2  - Structural Integrity and Life, Special Issue
T1  - Procedure for correction of bearing capacity of piles examined by the Dynamic Load Test (DLT) according to the Static Load Test (SLT)
EP  - 68
SP  - 53
VL  - 23
UR  - https://hdl.handle.net/21.15107/rcub_rims_493
ER  - 

@article{
author = "Ćosić, Mladen and Šušić, Nenad and Prica, Marko and Đoković, Ksenija",
year = "2023",
abstract = "The paper shows the comparative analysis of behavior and bearing capacity of piles examined using the Dynamic Load Test (DLT) according to Static Load Test (SLT) results. The pile testing methodology is based on the existing ASTM standards and experiences of the authors of the paper. The pile tests were carried out using counterweights, reactive system, dynamic testing equipment, hardware and software for SLT and DLT. The data obtained by testing were statis-tically processed, and also a regression analysis of the linear function was conducted, resulting in the creation of the model for the change of mobilized static bearing capacity from DLT according to SLT. In addition, a procedure for correcting the solution of mobilized static bearing capacity from DLT according to SLT, is made by observing provisions of standard EN 1997-1:2004, so the average deviation of solutions from DLT according to SLT is reduced. Apart from that, through iterations, the value of correlation factor ξ5 is determined, taking into consideration solutions presented by SLT and DLT of piles of the real structures.",
journal = "Structural Integrity and Life, Special Issue",
title = "Procedure for correction of bearing capacity of piles examined by the Dynamic Load Test (DLT) according to the Static Load Test (SLT)",
pages = "68-53",
volume = "23",
url = "https://hdl.handle.net/21.15107/rcub_rims_493"
}

Ćosić, M., Šušić, N., Prica, M.,& Đoković, K.. (2023). Procedure for correction of bearing capacity of piles examined by the Dynamic Load Test (DLT) according to the Static Load Test (SLT). in Structural Integrity and Life, Special Issue, 23, 53-68.
https://hdl.handle.net/21.15107/rcub_rims_493

Ćosić M, Šušić N, Prica M, Đoković K. Procedure for correction of bearing capacity of piles examined by the Dynamic Load Test (DLT) according to the Static Load Test (SLT). in Structural Integrity and Life, Special Issue. 2023;23:53-68.
https://hdl.handle.net/21.15107/rcub_rims_493 .

Ćosić, Mladen, Šušić, Nenad, Prica, Marko, Đoković, Ksenija, "Procedure for correction of bearing capacity of piles examined by the Dynamic Load Test (DLT) according to the Static Load Test (SLT)" in Structural Integrity and Life, Special Issue, 23 (2023):53-68,
https://hdl.handle.net/21.15107/rcub_rims_493 .

TY  - JOUR
AU  - Đoković, Ksenija
AU  - Šušić, Nenad
AU  - Ćosić, Mladen
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/492
AB  - The application of dispersive soil can result in various types of damage, and even the collapse of embanked build-ings if it is not identified. Dispersive soils cannot be uniquely identified by visual identification in the field, or by usual standard methods used for soil identification in the geo-mechanical laboratory. The paper presents the results of laboratory geomechanical tests aimed at identifying and classifying erodible dispersive fine-grained soil. The tests were carried out using the crumb test, the double hydrometer test (SCS), and the pinhole test on samples: sandy clay embankment dams of ‘Rovni’, loess from different locations (Zemun, Novi Beograd, Titel, Kelebija, Srbobran, Slanka-men, Ruma, Mali Iđoš) and kaolinite sandy clay deposits Grabež - Aranđelovac. The possibility of improving disper-sive soil by adding fly ash was also analyzed. Pinhole tests on dispersive soil samples with the addition of 10, 30 and 50 % ash showed that there was a decrease in dispersivity of natural soil for one to two dispersion classes.
T2  - Integritet i vek konstrukcija, specijalno izdanje
T1  - Dispersive Soils: Properties, Identification, Classification and Stabilization
EP  - 52
SP  - 47
VL  - 23
UR  - https://hdl.handle.net/21.15107/rcub_rims_492
ER  - 

@article{
author = "Đoković, Ksenija and Šušić, Nenad and Ćosić, Mladen",
year = "2023",
abstract = "The application of dispersive soil can result in various types of damage, and even the collapse of embanked build-ings if it is not identified. Dispersive soils cannot be uniquely identified by visual identification in the field, or by usual standard methods used for soil identification in the geo-mechanical laboratory. The paper presents the results of laboratory geomechanical tests aimed at identifying and classifying erodible dispersive fine-grained soil. The tests were carried out using the crumb test, the double hydrometer test (SCS), and the pinhole test on samples: sandy clay embankment dams of ‘Rovni’, loess from different locations (Zemun, Novi Beograd, Titel, Kelebija, Srbobran, Slanka-men, Ruma, Mali Iđoš) and kaolinite sandy clay deposits Grabež - Aranđelovac. The possibility of improving disper-sive soil by adding fly ash was also analyzed. Pinhole tests on dispersive soil samples with the addition of 10, 30 and 50 % ash showed that there was a decrease in dispersivity of natural soil for one to two dispersion classes.",
journal = "Integritet i vek konstrukcija, specijalno izdanje",
title = "Dispersive Soils: Properties, Identification, Classification and Stabilization",
pages = "52-47",
volume = "23",
url = "https://hdl.handle.net/21.15107/rcub_rims_492"
}

Đoković, K., Šušić, N.,& Ćosić, M.. (2023). Dispersive Soils: Properties, Identification, Classification and Stabilization. in Integritet i vek konstrukcija, specijalno izdanje, 23, 47-52.
https://hdl.handle.net/21.15107/rcub_rims_492

Đoković K, Šušić N, Ćosić M. Dispersive Soils: Properties, Identification, Classification and Stabilization. in Integritet i vek konstrukcija, specijalno izdanje. 2023;23:47-52.
https://hdl.handle.net/21.15107/rcub_rims_492 .

Đoković, Ksenija, Šušić, Nenad, Ćosić, Mladen, "Dispersive Soils: Properties, Identification, Classification and Stabilization" in Integritet i vek konstrukcija, specijalno izdanje, 23 (2023):47-52,
https://hdl.handle.net/21.15107/rcub_rims_492 .

TY  - CONF
AU  - Ilić, Snežana
AU  - Laban, Mirjana
AU  - Džolev, Igor
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/599
AB  - The fire reaction represents the behavior of materials during a fire event, i.e., how much the material contributes to the fire development. The importance of determining the fire reaction class stems from the need to provide sufficient time for the individuals inside a building to evacuate safely in the event of a fire. The fire reaction class is determined through a series of tests, depending on the material, with the most significant test in this group being the SBI (Single Burning Item) test. The paper describes the preparation method of test samples, the testing procedure itself, as well as the output data used for determination of the fire resistance class for tested material. According to the SRPS EN 13823 standard, a sample of a multilayered facade system with mineral wool was tested. The testing process itself, as well as the processed results, are stated in the conclusionof the study.
C3  - Engineering Conference, Bečići, Crna Gora, Proceedings
T1  - Rection to fire - SBI test
UR  - https://hdl.handle.net/21.15107/rcub_rims_599
ER  - 

@conference{
author = "Ilić, Snežana and Laban, Mirjana and Džolev, Igor",
year = "2023",
abstract = "The fire reaction represents the behavior of materials during a fire event, i.e., how much the material contributes to the fire development. The importance of determining the fire reaction class stems from the need to provide sufficient time for the individuals inside a building to evacuate safely in the event of a fire. The fire reaction class is determined through a series of tests, depending on the material, with the most significant test in this group being the SBI (Single Burning Item) test. The paper describes the preparation method of test samples, the testing procedure itself, as well as the output data used for determination of the fire resistance class for tested material. According to the SRPS EN 13823 standard, a sample of a multilayered facade system with mineral wool was tested. The testing process itself, as well as the processed results, are stated in the conclusionof the study.",
journal = "Engineering Conference, Bečići, Crna Gora, Proceedings",
title = "Rection to fire - SBI test",
url = "https://hdl.handle.net/21.15107/rcub_rims_599"
}

Ilić, S., Laban, M.,& Džolev, I.. (2023). Rection to fire - SBI test. in Engineering Conference, Bečići, Crna Gora, Proceedings.
https://hdl.handle.net/21.15107/rcub_rims_599

Ilić S, Laban M, Džolev I. Rection to fire - SBI test. in Engineering Conference, Bečići, Crna Gora, Proceedings. 2023;.
https://hdl.handle.net/21.15107/rcub_rims_599 .

Ilić, Snežana, Laban, Mirjana, Džolev, Igor, "Rection to fire - SBI test" in Engineering Conference, Bečići, Crna Gora, Proceedings (2023),
https://hdl.handle.net/21.15107/rcub_rims_599 .

TY  - JOUR
AU  - Kijanović, Aleksandar
AU  - Ilić, Snežana
AU  - Mirković-Marjanović, Milica
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/490
AB  - Unazad par godina, sve više pažnje se posvećuje poboljša-nju energetske efikasnosti zgrada. Iz tog razloga se posebna pažnja obraća na dokazivanje što boljih performansi proiz-voda koji se ugrađuju u objekte. U radu je urađena numerička i eksperimentalna analiza za dobijanje koeficijenta prolaženja toplote. Analiziran je giter-blok ispunjen kamenom vunom. Eksperimentalna analiza za dobijanje koeficijenta prolaženja toplote je urađena u skladu sa standardom SRPS U. J5.060, dok je numerička analiza izvršena primenom softvera THERM, čiji se proračun bazira na standardu ISO 15099. U radu je prikazana uporedna analiza rezultata dobijenih eksperimentalnim i numeričkim putem. Eksperimentalnim putem je dobijena vrednost za otpornost prema požaru za zid izrađen od šupljih giter-blokova. Zid je ispitan u skladu sa standardom SRPS EN 1364-1.
T2  - Integritet i vek konstrukcija, specijalno izdanje
T1  - Određivanje koeficijenta prolaza toplote i otpornosti prema požaru zida izrađenog od giter-blokova
EP  - 40
SP  - 35
VL  - 23
UR  - https://hdl.handle.net/21.15107/rcub_rims_490
ER  - 

@article{
author = "Kijanović, Aleksandar and Ilić, Snežana and Mirković-Marjanović, Milica",
year = "2023",
abstract = "Unazad par godina, sve više pažnje se posvećuje poboljša-nju energetske efikasnosti zgrada. Iz tog razloga se posebna pažnja obraća na dokazivanje što boljih performansi proiz-voda koji se ugrađuju u objekte. U radu je urađena numerička i eksperimentalna analiza za dobijanje koeficijenta prolaženja toplote. Analiziran je giter-blok ispunjen kamenom vunom. Eksperimentalna analiza za dobijanje koeficijenta prolaženja toplote je urađena u skladu sa standardom SRPS U. J5.060, dok je numerička analiza izvršena primenom softvera THERM, čiji se proračun bazira na standardu ISO 15099. U radu je prikazana uporedna analiza rezultata dobijenih eksperimentalnim i numeričkim putem. Eksperimentalnim putem je dobijena vrednost za otpornost prema požaru za zid izrađen od šupljih giter-blokova. Zid je ispitan u skladu sa standardom SRPS EN 1364-1.",
journal = "Integritet i vek konstrukcija, specijalno izdanje",
title = "Određivanje koeficijenta prolaza toplote i otpornosti prema požaru zida izrađenog od giter-blokova",
pages = "40-35",
volume = "23",
url = "https://hdl.handle.net/21.15107/rcub_rims_490"
}

Kijanović, A., Ilić, S.,& Mirković-Marjanović, M.. (2023). Određivanje koeficijenta prolaza toplote i otpornosti prema požaru zida izrađenog od giter-blokova. in Integritet i vek konstrukcija, specijalno izdanje, 23, 35-40.
https://hdl.handle.net/21.15107/rcub_rims_490

Kijanović A, Ilić S, Mirković-Marjanović M. Određivanje koeficijenta prolaza toplote i otpornosti prema požaru zida izrađenog od giter-blokova. in Integritet i vek konstrukcija, specijalno izdanje. 2023;23:35-40.
https://hdl.handle.net/21.15107/rcub_rims_490 .

Kijanović, Aleksandar, Ilić, Snežana, Mirković-Marjanović, Milica, "Određivanje koeficijenta prolaza toplote i otpornosti prema požaru zida izrađenog od giter-blokova" in Integritet i vek konstrukcija, specijalno izdanje, 23 (2023):35-40,
https://hdl.handle.net/21.15107/rcub_rims_490 .

TY  - CONF
AU  - Janković, Ksenija
AU  - Stanković, Srboljub
AU  - Bojović, Dragan
AU  - Stojanović, Marko
AU  - Antić Aranđelović, Lana
AU  - Terzić, Anja
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/575
AB  - The impacts of nano-silica addition, steel micro-reinforcement, and aggregate type on the mechanical properties and durability of ultra-high-performance concrete (UHPC) were studied. As aggregates, quartz and barite were used. The amounts of steel fibers and nano-silica were alternated. Six concrete mixes were produced with quartz sand, and the remaining six concrete mixes were designed with barite sand. Fibers made about 3-5% of the concrete composition’s mass. In a 2-5% concentration, nano-silica was used as a cement replacement. The inclusion of nano-silica significantly boosted the compressive strength of UHPC. The compressive and flexural strengths were also positively impacted by fiber supplementation ranging from 3% to 5%. The amount of fiber utilized proved to be more influential than the aggregate used. The UHPC concrete's durability was increased as all samples were highly resistant to freezing and thawing cycles. UHPC designed with barite aggregate demonstrated good X and gamma ray absorption at energies below 300 keV.
C3  - Serbian Ceramic Society Conference “Advanced Ceramic and Application XI – New frontiers in multifunctional material science and processing”, Book of Abstracts, Belgrade, Serbia
T1  - Heavyweight Ultra-High-Performance Concrete with Micro-Reinforcement
SP  - 83
UR  - https://hdl.handle.net/21.15107/rcub_rims_575
ER  - 

@conference{
author = "Janković, Ksenija and Stanković, Srboljub and Bojović, Dragan and Stojanović, Marko and Antić Aranđelović, Lana and Terzić, Anja",
year = "2023",
abstract = "The impacts of nano-silica addition, steel micro-reinforcement, and aggregate type on the mechanical properties and durability of ultra-high-performance concrete (UHPC) were studied. As aggregates, quartz and barite were used. The amounts of steel fibers and nano-silica were alternated. Six concrete mixes were produced with quartz sand, and the remaining six concrete mixes were designed with barite sand. Fibers made about 3-5% of the concrete composition’s mass. In a 2-5% concentration, nano-silica was used as a cement replacement. The inclusion of nano-silica significantly boosted the compressive strength of UHPC. The compressive and flexural strengths were also positively impacted by fiber supplementation ranging from 3% to 5%. The amount of fiber utilized proved to be more influential than the aggregate used. The UHPC concrete's durability was increased as all samples were highly resistant to freezing and thawing cycles. UHPC designed with barite aggregate demonstrated good X and gamma ray absorption at energies below 300 keV.",
journal = "Serbian Ceramic Society Conference “Advanced Ceramic and Application XI – New frontiers in multifunctional material science and processing”, Book of Abstracts, Belgrade, Serbia",
title = "Heavyweight Ultra-High-Performance Concrete with Micro-Reinforcement",
pages = "83",
url = "https://hdl.handle.net/21.15107/rcub_rims_575"
}

Janković, K., Stanković, S., Bojović, D., Stojanović, M., Antić Aranđelović, L.,& Terzić, A.. (2023). Heavyweight Ultra-High-Performance Concrete with Micro-Reinforcement. in Serbian Ceramic Society Conference “Advanced Ceramic and Application XI – New frontiers in multifunctional material science and processing”, Book of Abstracts, Belgrade, Serbia, 83.
https://hdl.handle.net/21.15107/rcub_rims_575

Janković K, Stanković S, Bojović D, Stojanović M, Antić Aranđelović L, Terzić A. Heavyweight Ultra-High-Performance Concrete with Micro-Reinforcement. in Serbian Ceramic Society Conference “Advanced Ceramic and Application XI – New frontiers in multifunctional material science and processing”, Book of Abstracts, Belgrade, Serbia. 2023;:83.
https://hdl.handle.net/21.15107/rcub_rims_575 .

Janković, Ksenija, Stanković, Srboljub, Bojović, Dragan, Stojanović, Marko, Antić Aranđelović, Lana, Terzić, Anja, "Heavyweight Ultra-High-Performance Concrete with Micro-Reinforcement" in Serbian Ceramic Society Conference “Advanced Ceramic and Application XI – New frontiers in multifunctional material science and processing”, Book of Abstracts, Belgrade, Serbia (2023):83,
https://hdl.handle.net/21.15107/rcub_rims_575 .

TY  - JOUR
AU  - Mijatović, Nevenka
AU  - Vasić, Milica
AU  - Terzić, Anja
AU  - Radomirović, Milena
AU  - Miličić, Ljiljana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/577
AB  - The chemical compositions of refractory materials, such as high-alumina concrete, bricks, and putty, were analyzed using an energy-dispersive X-ray spectrometer (EDXRF). An improved methodology for investigating the effect of particle size on the outcomes of EDXRF chemical analysis is presented. Eight independent refractory samples (refractory concrete, brick, and putty) were pulverized utilizing seven milling times (30, 60, 120, 180, 240, 300, and 360 s) and compared to non-pulverized samples. Thus, sixty-four refractory samples were obtained and analyzed using EDXRF. The method for measuring the fundamental EDXRF characteristics was then tested with ten certified reference materials. The acquired data were compared using inductively coupled plasma atomic emission spectrometry (ICP-OES). Univariate and multivariate statistics are used to evaluate EDXRF data. The particle size of the tested samples affected the z-scores of SiO2, Al2O3, Fe2O3, TiO2, CaO, MgO, Na2O, K2O, and P2O5 concentration measurements. Grinding times for refractory concrete, brick, and putty samples were determined in order to validate the robustness of the EDXRF technique and provide reliable chemical analyses. The ideal milling times for the samples studied ranged from 180 to 360 s, depending on the type of refractory material.
T2  - Spectrochimica Acta Part B: Atomic Spectroscopy
T1  - An augmented approach for the determination of the particle size effect on energy dispersive X-ray fluorescence analysis outcomes for alumina-based refractory materials
IS  - 106796
VL  - 209
DO  - 10.1016/j.sab.2023.106796
ER  - 

@article{
author = "Mijatović, Nevenka and Vasić, Milica and Terzić, Anja and Radomirović, Milena and Miličić, Ljiljana",
year = "2023",
abstract = "The chemical compositions of refractory materials, such as high-alumina concrete, bricks, and putty, were analyzed using an energy-dispersive X-ray spectrometer (EDXRF). An improved methodology for investigating the effect of particle size on the outcomes of EDXRF chemical analysis is presented. Eight independent refractory samples (refractory concrete, brick, and putty) were pulverized utilizing seven milling times (30, 60, 120, 180, 240, 300, and 360 s) and compared to non-pulverized samples. Thus, sixty-four refractory samples were obtained and analyzed using EDXRF. The method for measuring the fundamental EDXRF characteristics was then tested with ten certified reference materials. The acquired data were compared using inductively coupled plasma atomic emission spectrometry (ICP-OES). Univariate and multivariate statistics are used to evaluate EDXRF data. The particle size of the tested samples affected the z-scores of SiO2, Al2O3, Fe2O3, TiO2, CaO, MgO, Na2O, K2O, and P2O5 concentration measurements. Grinding times for refractory concrete, brick, and putty samples were determined in order to validate the robustness of the EDXRF technique and provide reliable chemical analyses. The ideal milling times for the samples studied ranged from 180 to 360 s, depending on the type of refractory material.",
journal = "Spectrochimica Acta Part B: Atomic Spectroscopy",
title = "An augmented approach for the determination of the particle size effect on energy dispersive X-ray fluorescence analysis outcomes for alumina-based refractory materials",
number = "106796",
volume = "209",
doi = "10.1016/j.sab.2023.106796"
}

Mijatović, N., Vasić, M., Terzić, A., Radomirović, M.,& Miličić, L.. (2023). An augmented approach for the determination of the particle size effect on energy dispersive X-ray fluorescence analysis outcomes for alumina-based refractory materials. in Spectrochimica Acta Part B: Atomic Spectroscopy, 209(106796).
https://doi.org/10.1016/j.sab.2023.106796

Mijatović N, Vasić M, Terzić A, Radomirović M, Miličić L. An augmented approach for the determination of the particle size effect on energy dispersive X-ray fluorescence analysis outcomes for alumina-based refractory materials. in Spectrochimica Acta Part B: Atomic Spectroscopy. 2023;209(106796).
doi:10.1016/j.sab.2023.106796 .

Mijatović, Nevenka, Vasić, Milica, Terzić, Anja, Radomirović, Milena, Miličić, Ljiljana, "An augmented approach for the determination of the particle size effect on energy dispersive X-ray fluorescence analysis outcomes for alumina-based refractory materials" in Spectrochimica Acta Part B: Atomic Spectroscopy, 209, no. 106796 (2023),
https://doi.org/10.1016/j.sab.2023.106796 . .

TY  - JOUR
AU  - Vasić, Milica
AU  - Jantunen, Heli
AU  - Mijatović, Nevenka
AU  - Nelo, Mikko
AU  - Munoz Velasco, Pedro
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/516
AB  - Finding a solution to the problem of the large buildup of coal ashes is a vital necessity. Although the use of coal
ashes in fired clay bricks has been thoroughly investigated, there is insuffcient information on their industrial
utilization and researchers do not agree on whether or not this addition improves the quality of the fnal
products. Therefore, a database has gathered 20 years of research containing key factors related to the quality of
the bricks (i.e., chemical composition, fring temperature, soaking time, open porosity, water absorption and
compressive strength). Then, random forest regression and artifcial neural networks (ANN) modeling were used
to separately predict the parameters concerning the quality of the fnal products. The overall conclusions were
that the compressive strengths were the highest when using fly ashes and that class F ashes were highly suitable
to be used in the brick industry as a replacement material for brick clay. In addition, the ANN models showed
higher coeffcients of determination and an overall better fit to the experimental data. By changing the chemical
makeup of the initial materials and their proportions, the particle size of the ashes, the firing temperature and
soaking time, as well as the size of a product, the created models can be used to estimate the quality of the brick
containing coal ash. That is crucial because the inconsistent chemical composition of ash is generally the main
obstacle to its utilization. The local sensitivity analysis revealed the highest influence of the content of the alkali
oxides in the initial clay on the fired clay bricks due to their fluxing effect. In the case of ash-clay bricks, the
decisive factors were the type of furnace used, the ashes’ class, the Na2O content in raw clay, and the K2O
introduced with the ash. The F class ashes containing about 2–3% of K2O and <5% of CaO gave the highest
compressive strength in bricks fred at 1000–1100 ◦C.
Additional analyzes were made for 50% pond ash and 50% clay bricks to test the best-suited model and fill in
the knowledge gap. The results obtained in this study are important for supporting the decision in the selection of
materials and process parameter values that will increase the quality of the ash-clay-fired bricks.
PB  - Elsevier Ltd
T2  - Journal of Cleaner Production
T1  - Influence of coal ashes on fired clay brick quality: Random forest regression and artifcial neural networks modeling
VL  - 407
DO  - 10.1016/j.jclepro.2023.137153
ER  - 

@article{
author = "Vasić, Milica and Jantunen, Heli and Mijatović, Nevenka and Nelo, Mikko and Munoz Velasco, Pedro",
year = "2023",
abstract = "Finding a solution to the problem of the large buildup of coal ashes is a vital necessity. Although the use of coal
ashes in fired clay bricks has been thoroughly investigated, there is insuffcient information on their industrial
utilization and researchers do not agree on whether or not this addition improves the quality of the fnal
products. Therefore, a database has gathered 20 years of research containing key factors related to the quality of
the bricks (i.e., chemical composition, fring temperature, soaking time, open porosity, water absorption and
compressive strength). Then, random forest regression and artifcial neural networks (ANN) modeling were used
to separately predict the parameters concerning the quality of the fnal products. The overall conclusions were
that the compressive strengths were the highest when using fly ashes and that class F ashes were highly suitable
to be used in the brick industry as a replacement material for brick clay. In addition, the ANN models showed
higher coeffcients of determination and an overall better fit to the experimental data. By changing the chemical
makeup of the initial materials and their proportions, the particle size of the ashes, the firing temperature and
soaking time, as well as the size of a product, the created models can be used to estimate the quality of the brick
containing coal ash. That is crucial because the inconsistent chemical composition of ash is generally the main
obstacle to its utilization. The local sensitivity analysis revealed the highest influence of the content of the alkali
oxides in the initial clay on the fired clay bricks due to their fluxing effect. In the case of ash-clay bricks, the
decisive factors were the type of furnace used, the ashes’ class, the Na2O content in raw clay, and the K2O
introduced with the ash. The F class ashes containing about 2–3% of K2O and <5% of CaO gave the highest
compressive strength in bricks fred at 1000–1100 ◦C.
Additional analyzes were made for 50% pond ash and 50% clay bricks to test the best-suited model and fill in
the knowledge gap. The results obtained in this study are important for supporting the decision in the selection of
materials and process parameter values that will increase the quality of the ash-clay-fired bricks.",
publisher = "Elsevier Ltd",
journal = "Journal of Cleaner Production",
title = "Influence of coal ashes on fired clay brick quality: Random forest regression and artifcial neural networks modeling",
volume = "407",
doi = "10.1016/j.jclepro.2023.137153"
}

Vasić, M., Jantunen, H., Mijatović, N., Nelo, M.,& Munoz Velasco, P.. (2023). Influence of coal ashes on fired clay brick quality: Random forest regression and artifcial neural networks modeling. in Journal of Cleaner Production
Elsevier Ltd., 407.
https://doi.org/10.1016/j.jclepro.2023.137153

Vasić M, Jantunen H, Mijatović N, Nelo M, Munoz Velasco P. Influence of coal ashes on fired clay brick quality: Random forest regression and artifcial neural networks modeling. in Journal of Cleaner Production. 2023;407.
doi:10.1016/j.jclepro.2023.137153 .

Vasić, Milica, Jantunen, Heli, Mijatović, Nevenka, Nelo, Mikko, Munoz Velasco, Pedro, "Influence of coal ashes on fired clay brick quality: Random forest regression and artifcial neural networks modeling" in Journal of Cleaner Production, 407 (2023),
https://doi.org/10.1016/j.jclepro.2023.137153 . .

TY  - JOUR
AU  - Mijatović, Nevenka
AU  - Terzić, Anja
AU  - Miličić, Ljiljana
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/488
AB  - Natural zeolite and bentonite were used as mineral addi-tions to create cement-based building materials that are safe for the environment. This research focuses on the adsorptive qualities of these two clay raw materials, i.e., their propen-sity to immobilize heavy metal ions like Cd2+. The acquired results were examined using kinetic models of pseudo-first and pseudo-second order. The isotherms of Langmuir and Freundlich were examined. Zeolite and bentonite had differ-ent adsorption affinities for Cd2+ cations. Seven cement binders with various mineral additions (fly ash, zeolite, bentonite) underwent a leaching test. The adsorption and hydration mechanisms that immobilized heavy metals within cementitious composites caused leachates obtained on cement samples with the addition of fly ash and clay (either zeolite or bentonite) to contain lower concentrations of Cd2+ ions than leachates obtained on cement samples with fly ash alone.
T2  - Structural Integrity and Life, Special Issue
T1  - Effective removal of the heavy metal ion Cd2+ from the structure of cementitious materials with mineral additives
EP  - 24
SP  - 19
VL  - 23
UR  - https://hdl.handle.net/21.15107/rcub_rims_488
ER  - 

@article{
author = "Mijatović, Nevenka and Terzić, Anja and Miličić, Ljiljana",
year = "2023",
abstract = "Natural zeolite and bentonite were used as mineral addi-tions to create cement-based building materials that are safe for the environment. This research focuses on the adsorptive qualities of these two clay raw materials, i.e., their propen-sity to immobilize heavy metal ions like Cd2+. The acquired results were examined using kinetic models of pseudo-first and pseudo-second order. The isotherms of Langmuir and Freundlich were examined. Zeolite and bentonite had differ-ent adsorption affinities for Cd2+ cations. Seven cement binders with various mineral additions (fly ash, zeolite, bentonite) underwent a leaching test. The adsorption and hydration mechanisms that immobilized heavy metals within cementitious composites caused leachates obtained on cement samples with the addition of fly ash and clay (either zeolite or bentonite) to contain lower concentrations of Cd2+ ions than leachates obtained on cement samples with fly ash alone.",
journal = "Structural Integrity and Life, Special Issue",
title = "Effective removal of the heavy metal ion Cd2+ from the structure of cementitious materials with mineral additives",
pages = "24-19",
volume = "23",
url = "https://hdl.handle.net/21.15107/rcub_rims_488"
}

Mijatović, N., Terzić, A.,& Miličić, L.. (2023). Effective removal of the heavy metal ion Cd2+ from the structure of cementitious materials with mineral additives. in Structural Integrity and Life, Special Issue, 23, 19-24.
https://hdl.handle.net/21.15107/rcub_rims_488

Mijatović N, Terzić A, Miličić L. Effective removal of the heavy metal ion Cd2+ from the structure of cementitious materials with mineral additives. in Structural Integrity and Life, Special Issue. 2023;23:19-24.
https://hdl.handle.net/21.15107/rcub_rims_488 .

Mijatović, Nevenka, Terzić, Anja, Miličić, Ljiljana, "Effective removal of the heavy metal ion Cd2+ from the structure of cementitious materials with mineral additives" in Structural Integrity and Life, Special Issue, 23 (2023):19-24,
https://hdl.handle.net/21.15107/rcub_rims_488 .

TY  - JOUR
AU  - Atanasovska, Ivana
AU  - Momčilović, Dejan
AU  - Lazović, Tatjana
AU  - Marinković, Aleksandar
AU  - Soldat, Nataša
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/538
AB  - During the last few decades, the requirements for modern machine elements in terms of size
reduction, increasing the energy efficiency, and a higher load capacity of standard and non-standard
gears have been very prevalent issues. Within these demands, the main goals are the optimization
of the gears’ tooth profiles, as well as the investigation of new tooth profile designs. The presented
design idea is based on the optimal solutions inspired by nature. Special attention is paid to the new
design of the tooth root zones of spur gears in order to decrease the stress concentration values and
increase the tooth root fatigue resistance. The finite element method is used for stress and strain
state calculations, and the particular gear pair is modeled and optimized for these purposes. For
tooth root strength analysis, the estimations are based on the theory of critical distances and the
stress gradients obtained through finite element analysis. The obtained stress gradients have shown
important improvements in the stress distribution in the transition zone optimized by biomimetics.
An analysis of the material variation influence is also performed. Based on the investigations of a
particular gear pair, a significant stress reduction of about 7% for steel gears and about 10.3% for cast iron gears is obtained for tooth roots optimized by bio-inspired design.
T2  - Biomimetics
T1  - Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile
IS  - 3
VL  - 8
DO  - 10.3390/biomimetics8030308
ER  - 

@article{
author = "Atanasovska, Ivana and Momčilović, Dejan and Lazović, Tatjana and Marinković, Aleksandar and Soldat, Nataša",
year = "2023",
abstract = "During the last few decades, the requirements for modern machine elements in terms of size
reduction, increasing the energy efficiency, and a higher load capacity of standard and non-standard
gears have been very prevalent issues. Within these demands, the main goals are the optimization
of the gears’ tooth profiles, as well as the investigation of new tooth profile designs. The presented
design idea is based on the optimal solutions inspired by nature. Special attention is paid to the new
design of the tooth root zones of spur gears in order to decrease the stress concentration values and
increase the tooth root fatigue resistance. The finite element method is used for stress and strain
state calculations, and the particular gear pair is modeled and optimized for these purposes. For
tooth root strength analysis, the estimations are based on the theory of critical distances and the
stress gradients obtained through finite element analysis. The obtained stress gradients have shown
important improvements in the stress distribution in the transition zone optimized by biomimetics.
An analysis of the material variation influence is also performed. Based on the investigations of a
particular gear pair, a significant stress reduction of about 7% for steel gears and about 10.3% for cast iron gears is obtained for tooth roots optimized by bio-inspired design.",
journal = "Biomimetics",
title = "Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile",
number = "3",
volume = "8",
doi = "10.3390/biomimetics8030308"
}

Atanasovska, I., Momčilović, D., Lazović, T., Marinković, A.,& Soldat, N.. (2023). Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile. in Biomimetics, 8(3).
https://doi.org/10.3390/biomimetics8030308

Atanasovska I, Momčilović D, Lazović T, Marinković A, Soldat N. Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile. in Biomimetics. 2023;8(3).
doi:10.3390/biomimetics8030308 .

Atanasovska, Ivana, Momčilović, Dejan, Lazović, Tatjana, Marinković, Aleksandar, Soldat, Nataša, "Biomimetics Design of Tooth Root Zone at Cylindrical Gears Profile" in Biomimetics, 8, no. 3 (2023),
https://doi.org/10.3390/biomimetics8030308 . .

TY  - JOUR
AU  - Bojović, Dragan
AU  - Terzić, Anja
AU  - Nikolić, Dragan
AU  - Janković, Ksenija
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/503
AB  - The experimental study included the design and production of ultra-high-performance steel fiber-reinforced concrete (UHPFRC). The physical and mechanical properties of UHPFRC were investigated in a laboratory setting. To investigate the properties of UHPFR concrete, three types of concrete and over 70 samples were used. Following that, samples were created to test the anchors' load-bearing performance. Six concrete slabs with a total of 108 pre-installed anchor samples and six concrete slabs with 108 post-installed chemical anchor samples were created. The analysis of the test findings comprised all individual results as well as the definition of the relationship between the anchor's tensile load capacity and other parameters. To accurately determine the individual influence of the investigated factors as well as their combined impact, a factorial experiment, and artificial neural networks were used in addition to normal statistical numerical studies. It was determined that both approaches offer advantages. The results obtained show matches in certain parts. Due to the way data is processed in different ways, there are also significant differences between them.
T2  - Science of Sintering 2023 OnLine-First Issue 00
T1  - Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using FA and ANN
DO  - 10.2298/SOS230420029B
ER  - 

@article{
author = "Bojović, Dragan and Terzić, Anja and Nikolić, Dragan and Janković, Ksenija",
year = "2023",
abstract = "The experimental study included the design and production of ultra-high-performance steel fiber-reinforced concrete (UHPFRC). The physical and mechanical properties of UHPFRC were investigated in a laboratory setting. To investigate the properties of UHPFR concrete, three types of concrete and over 70 samples were used. Following that, samples were created to test the anchors' load-bearing performance. Six concrete slabs with a total of 108 pre-installed anchor samples and six concrete slabs with 108 post-installed chemical anchor samples were created. The analysis of the test findings comprised all individual results as well as the definition of the relationship between the anchor's tensile load capacity and other parameters. To accurately determine the individual influence of the investigated factors as well as their combined impact, a factorial experiment, and artificial neural networks were used in addition to normal statistical numerical studies. It was determined that both approaches offer advantages. The results obtained show matches in certain parts. Due to the way data is processed in different ways, there are also significant differences between them.",
journal = "Science of Sintering 2023 OnLine-First Issue 00",
title = "Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using FA and ANN",
doi = "10.2298/SOS230420029B"
}

Bojović, D., Terzić, A., Nikolić, D.,& Janković, K.. (2023). Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using FA and ANN. in Science of Sintering 2023 OnLine-First Issue 00.
https://doi.org/10.2298/SOS230420029B

Bojović D, Terzić A, Nikolić D, Janković K. Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using FA and ANN. in Science of Sintering 2023 OnLine-First Issue 00. 2023;.
doi:10.2298/SOS230420029B .

Bojović, Dragan, Terzić, Anja, Nikolić, Dragan, Janković, Ksenija, "Determination of the effects of the rebar-cement bond parameters variation in UHPFRC using FA and ANN" in Science of Sintering 2023 OnLine-First Issue 00 (2023),
https://doi.org/10.2298/SOS230420029B . .