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Prikaz rezultata 11-20 od 274
Evaluation of air content on concrete compressive strength with classical approach and neural networks
(Društvo za ispitivanje i istraživanje materijala i konstrukcija Srbije, Beograd, 2012)
Mnogi parametri utiču na karakteristike svežeg i očvrslog betona. Jedan od najvažnijih svakako jeste poroznost betona. Poroznost svežeg betona meri se količinom uvučenog vazduha. Uticaj uvučenog vazduha na beton i njegovu ...
Investigation of the mortar and concrete resistance in aggressive solutions
(Univ Osijek, Tech Fac, Slavonski Brod, 2014)
Testing the influence of two aggressive solutions - sulphate and nitrate on mortar and concrete was presented in this paper. Experimental work included testing of mortar prisms with 5 % special admixture. Also, four types ...
Procena opasnosti od likvefakcije analizom in situ CPT opita i indeksnih pokazatelja tla / Assessment of liquefaction hazard by in situ CPT test analysis and indexing indicator of soil
(Srpsko društvo za puteve VIA-VITA, Beograd, 2011)
Procena seizmičkog ponašanja zasićenog tla u uslovima zemljotresa zasniva se na geotehničkim istraživanjima i ispitivanjima i poznavanju seizmičkog režima izučavanog područja. Likvefakcija se obično pripisuje rastresitim, ...
Determination of critical size of corrosion pit on mechanical elements in hydro power plants
(Udruženje intelektualaca za razvoj nauke u Srbiji, Novi Sad, 2018)
Researchers in the field of fracture mechanics, predominantly developing appropriate solution algorithms for problems of solid bodies with cracks. Problems in mechanics generally, related with fracture and fatigue for solid ...
Chemometric Analysis of Alternations in Coal Ash Quality Induced by Application of Different Mechano-chemical Processing Parameters
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2017)
The coal fly ash mechano-chemical activation conducted via high energy ultra-centrifugal mill was optimized using mathematical and statistical tools. The aim of the investigation was to accent the merits of alternations ...
Analiza uticaja sučeono zavarenih spojeva na nosivost konstrukcije rezervoara / Analysis of the effects of butt welded joints on a carrying capacity of a structure tank
(Inženjersko društvo za koroziju, Beograd, 2017)
U radu je posle proračuna metodom konačnih elemenata (MKE) analizirana raspodela napona na modelu dela oplate rezervoara pod pritiskom bez zavarenih spojeva (ZS), sa obimnim ZS, podužnim ZS i ukrsnim mestom ZS. Takođe, u ...
Cracking resistance of AlMg4.5Mn alloy TIG welded joints
(Institut za ispitivanje materijala, Beograd, 2011)
In this paper the AlMg4.5Mn TIG welded joints have been tested in order to investigate their cracking resistance. Testing plates, size of 500×250×12 mm, are welded by TIG procedure in a horizontal-vertical position. Various ...
Electro-filter ash use in the underground coal mines
(Institut za rudarstvo i metalurgiju, Bor, 2017)
Thermal power plants in the Republic of Serbia spend 35-40 million tons of coal annually, mostly lignite, with about 6 million tons of ash or slag as a by-product of electricity and heat production, deposited on the ...
Luženje potencijalno toksičnih elemenata iz kompozita na bazi otpadnih sirovina / Leaching of the potentially toxic pollutants from composites based on waste raw material
(Savez hemijskih inženjera, Beograd, 2012)
Odlaganje letećeg pepela dobijenog u procesu sagorevanja uglja u termo-elektranama predstavlja veliki rizik za prirodnu sredinu zbog mogućnosti luženja opasnih čestica kao što su toksični metali. Takođe, opasnost od ...
Synthesis and sintering of high-temperature composites based on mechanically activated fly ash
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2012)
Količina letećeg pepela koji se proizvodi i koja će biti proizvedena u godinama koje dolaze zahteva razvoj novih metoda recikliranja u kojima će biti upotrebljene značajne količine ovog otpadnog materijala. Mogućnost ...