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Concrete paving blocks and flags made with crushed brick as aggregate
(Construction and Building Materials, 2012)
Demolition of old buildings in urban cores has produced a large amount of waste material. Since they are mostly masonry structures the largest part of the waste material is ceramic waste. Besides that, ceramic waste is ...
Otpornost prema dejstvu mraza betona sa agregatom od drobljene opeke / Frost resistance of concrete with crushed brick as aggregate
(Univerzitet u Nišu, Niš, 2010)
Predmet istraživanja su betoni spravljeni sa recikliranom opekom kao agregatom. Eksperimentalni rad je obuhvatio više vrsta betona spravljenih sa istom količinom cementa (385 kg/m3) i istom konzistencijom (sleganje oko 1 ...
Mix design and engineering properties of ultra high performance self compacting concrete
(Czech Concrete Soc-Ceska Betonarska Spolecnost Cssi, Prague 1, 2011)
The mechanical properties (compressive strength and flexural strength) were investigated under different curing conditions (standard and steam curing). Silica fumes have characteristics that make them necessary in cement ...
Influence of FSW parameters on formation quality and mechanical properties of Al 2024-T351 butt welded joints
(Elsevier, Amsterdam, 2013)
The influence of R/v ratio on joint quality in 2024-T351 aluminum alloy was studied. Specimens were subjected to friction stir welding with the rotation rates of 750, 950 and 1180 r/min and welding speed between 73 and 190 ...
Uticaj polaznog stanja na osobine REL zavarenog spoja čelika 14mov 6 3 / Influence of initial state on properties of mma welded 14mov 6 3 steel
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2012)
U radu je ispitan uticaj stanja osnovnog metala na osobine REL zavarenog spoja čelika 14MoV 6 3. Zavarene su tri kombinacije uzoraka: (i) nekorišćen; (ii) korišćen-korišćen; i (iii) korišćen nekorišćen. Korišćeni uzorci ...
Tehnologija zavarivanja polimetilmetakrilata (PMMA) / Polymethylmethacrylate (PMMA) welding technology
(DUZS - Društvo za unapređivanje zavarivanja u Srbiji, Beograd, 2010)
Polimetilmetakrilat (PMMA), zbog svojih karakteristika, pre svega transparentnosti i relativno male gustine, predstavlja danas vrlo atraktivan materijal u inženjerstvu. Zbog toga, istražuju se nove mogućnosti spajanja ovog ...
Predviđanje veka čeličnog žičanog užeta u eksploataciji / Service life prediction of running steel wire ropes
(Institut za ispitivanje materijala, Beograd, 2010)
Vrlo visoka čvrstoća omogućava žičanom užetu da prenese velike zatezne sile i da se kreće po koturima relativno malog prečnika. Žice od čelika vrlo visoke čvrstoće su postojale više od sto godina pre nego što su patentirane, ...
Analiza loma spojnice lanca / Failure analysis of chain bracket
(Integritet i vek konstrukcija, Beograd, 2011)
Uprkos brojnim i skupim istraživanjima u oblasti zamora i loma kao i redovne kontrole gotovog proizvoda, prsline se javljaju svakodnevno u mnogim oblastima. Ovaj rad opisuje analizu otkaza spojnice lanca korišćene u konvejeru ...
Analysis of current state and integrity evaluation for the supply tank of generation unit 6 of thermal power plant Nikola Tesla ”A”, Obrenovac
(Trans Tech Publications Ltd, 2014)
Stable supply tank, with volume V = 250 m3 and operating pressure p = 1,5 MPa, of generation unit 6 at thermal power plant 'Nikola Tesla A' in Obrenovac, is designed for water-steam working fluid. It was made of steel Č ...
Investigation of the Repair Welding Technology Using Ni Base Electrode
(Trans Tech Publications Ltd, Durnten-Zurich, 2013)
Metal materials are subjected to innumerable time-dependent degradation mechanisms when operate in power, petrochemical and refinery plant. These materials are subjected to multiaxial stresses, creep, fatigue, corrosion ...