20.500.12556/RUL-32364 Vpliv vrste karbonatnega agregata na lastnosti malt in betonov diplomska naloga Influence of carbonate aggregate type on properties of mortars and concretes V diplomski nalogi se ukvarjamo s potencialno reakcijo med karbonatnim agregatom in cementnim vezivom. Ugotavljamo vpliv te reakcije na mehanske lastnosti strjenih betonov, izdelanih z različnimi karbonatnimi agregati. V ta namen smo zasnovali tri različne mešanice betona, eno z apnenčastim agregatom A in drugi dve z dolomitnim agregatom B in C. Betone smo izpostavili različnim pogojem pospešenega staranja pri starosti 7 ali 28 dni. Staranje preizkušancev je trajalo 28 dni. Vsak teden staranja smo določili tlačno in upogibno trdnost betonov ter dinamični modul elastičnosti. Dobljene rezultate smo analizirali z vidika potencialnega vpliva alkalno-karbonatne reakcije na mehanske lastnosti betona. This thesis deals with a potential reaction between carbonate aggregate and cement binder. We try to establish the impact of this reaction on the mechanical properties of hardened concrete made with different carbonate aggregates. To this aim, we designed three different mixtures of concrete, one with limestone aggregate A and the other two with dolomite aggregates B and C. Concretes were exposed to different conditions of accelerated aging at the age of 7 or 28 days. The aging of the test specimens lasted 28 days. Each week of aging compressive and flexural strengths of concrete were determined, and the dynamic modulus of elasticity was measured. The results thus obtained were analysed in terms of the potential impact of alkali-carbonate reactions on the mechanical properties of concrete. gradbeništvo diplomska naloga VSŠ OG-MK alkalno-agregatna reakcija alkalno-karbonatna reakcija tlačna trdnost upogibna trdnost dedolomitizacija dinamični modul elastičnosti alkali-aggregate reaction alkali-carbonate reaction compressive strength flexural strength dedolomitisation dynamic modulus of elasticity true false false [J. Zagorc] Slovenski jezik Angleški jezik Diplomsko delo/naloga 2015-07-10 10:15:08 2015-07-10 10:15:08 2022-12-15 15:55:23 0000-00-00 00:00:00 2014 0 Ljubljana 2014 Ljubljana XIV, 60 str., 15 pril. 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 669(043.2) 6810465 BOG066_Zagorc.pdf BOG066_Zagorc.pdf 1 4B299C86D179B98090F637EBFE7DAFDE 7ca9f591a8a50c2f312824edfcae53c9fcaebf9af885a0861b3426af3fcde832 1f3e9700-a1ae-11eb-a523-00155dcfd717 20.500.12556/rul/dc34626b-d5ea-4e5e-8cab-717deed80be9 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=85864 Fakulteta za gradbeništvo in geodezijo 0 0 0