Search
Now showing items 181-190 of 252
Developing Cost Estimation Models for Road Rehabilitation and Reconstruction: Case Study of Projects in Europe and Central Asia
(ASCE - American Society of Civil Engineers, 2014)
This paper presents the development of prediction models for the unit costs of road works that could be applied to strategic planning of road works at the network level. A specialized data set was used, which was generated ...
Thermal and mineralogical characterization of loess heavy clays for potential use in brick industry
(Elsevier, Amsterdam, 2014)
This paper describes a study of 11 selected samples of loess soil from Serbia, by using differential scanning calorimetry, simultaneously with thermogravimetry and its differential calculation, known as simultaneous thermal ...
Analysis of trace elements in surface sediments, mussels, seagrass and seawater along the southeastern Adriatic coast - a chemometric approach
(Walter De Gruyter Gmbh, Berlin, 2014)
Surface sediments, mussels, seagrass, surface and bottom seawater samples were collected from the costal area of the southeastern Adriatic Sea and analyzed in order to determine the concentration and origin of the following ...
Uticaj geometrije trna alata na mehaničke i strukturne karakteristike sučeonog spoja aluminijumske legure 2024-T351 zavarenog postupkom FSW / Influence of pin geometry on mechanical and structural properties of butt friction stir welded 2024-T351 aluminum alloy
(Savez hemijskih inženjera, Beograd, 2015)
U radu je ispitivano kakav zajednički, kombinovani uticaj brzina rotacije alata, brzina zavarivanja i mala promena u geometriji trna alata imaju na zavarljivost, mehaničke i strukturne karakteristike sučeonog spoja Al ...
Uticaj prsline na karakteristike zavarenog spoja pri različitim vrstama opterećenja / Influence of crack on welded joint characteristics in different types of loads
(Vojnotehnički institut, Beograd, 2018)
Primena čelika visoke čvrstoće kod projektovanja zavarenih konstrukcija zahteva podatke o svojstvima istih pri različitim uslovima opterećenja. Zahvaljujući visokom naponu tečenja debljina zida može se smanjiti u poređenju ...
Effect of welded joint imperfection on the integrity of pipe elbows subjected to internal pressure
(Faculty of Mechanical Engineering in Slavonski Brod, Faculty of Electrical Engineering in Osijek, Faculty of Civil Engineering in Osijek, 2013)
Since local defects reduce the load-carrying capacity and deformation ability of a piping system, an analysis is undertaken to quantify the influence of weld defects on integrity of the pipe elbows subjected to internal ...
Analiza trenutnog stanja i ocena čvrstoće cevovoda na hidroelektrani Pirot / Analysis of current state and strength evaluation of the pipeline at hydro power plant 'Pirot'
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2018)
Hidroelektrana Pirot, koja je izgrađena 1990 godine, je akumulaciona elektrana derivacionog tipa, koja se sastoji od dva nadzemna vertikalna agregata sa Francis turbinama nominalne snage 41,5 MW, proizvedene u Češkoj ...
Vulkaniti Stolova kao građevinski kamen / Volcanic rocks of Mt. Stolovi as a building stone
(Savez inženjera i tehničara Srbije, Beograd, 2013)
Vulkaniti Stolova južno od Kraljeva predstavljeni su malim vulkanitskim telima dacito-andezita. Ovi vulkaniti su od otvaranja kamenoloma Kamenica pored reke Ribnice korišćeni za dobijanje kocke, agregata i ploča za oblaganje. ...
Dinamičke metode za ispitivanje šipova / Dynamic methods for pile testing
(Savez građevinskih inženjera Srbije, Beograd, 2013)
U radu su opisane četiri metode za ispitivanje šipova. Dve metode, "Sonic integrity testing" (SIT) i "Crosshole ultrasonic method" (CHUM) orijentisane su ka ispitivanju integriteta šipova, a dve metode "Dynamic load testing" ...
Uporedna analiza proračuna mašinskih elemenata simuliranjem kombinovanog opterećenja i odvojenim simuliranjem komponentnih opterećenja - studija slučaja / Combined load simulation vs component loads simulation in machine design: A case study
(Univerzitet u Beogradu - Mašinski fakultet, Beograd, 2014)
Na sadašnjem nivou razvoja tehnologije, u stvarnim radnim uslovima, gotovo svi mašinski elementi su opterećeni kombinovanim opterećenjima. Cilj istraživanja prikazanog u ovom radu je ukazivanje na značaj proračuna nosivosti ...