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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F14%3A00223537%21RIV15-GA0-21110___
rdf:type
n21:Vysledek skos:Concept
dcterms:description
This article shows results of experimental program focused on determination of refractory and non-refractory components for cement composites and those influence on final properties. According to several research works from various universities strength and cohesion in general of common concrete rapidly decrease with temperature higher than 600 °C. To determine the difference between fire-resistance and common components four mixtures were designed. Non-refractory crushed nature silica aggregates and Portland cement compared to high alumina cement Secar®71 with crushed nature basalt aggregates were used. Combination of basalt fibers with two different lengths significantly improves. Basic mechanical properties tensile characteristics such as tensile strength in bending and compressive strength were examined on samples 40 x 40 x 160 mm. Exposure to 600 °C and especially 1000 °C in electric furnace for three hours simulated the high temperature load. Compared to silica aggregates together with Portland cement, where after 1000 °C the composite is disintegrated with almost zero strength, the refractory components show considerably better parameters. This article shows results of experimental program focused on determination of refractory and non-refractory components for cement composites and those influence on final properties. According to several research works from various universities strength and cohesion in general of common concrete rapidly decrease with temperature higher than 600 °C. To determine the difference between fire-resistance and common components four mixtures were designed. Non-refractory crushed nature silica aggregates and Portland cement compared to high alumina cement Secar®71 with crushed nature basalt aggregates were used. Combination of basalt fibers with two different lengths significantly improves. Basic mechanical properties tensile characteristics such as tensile strength in bending and compressive strength were examined on samples 40 x 40 x 160 mm. Exposure to 600 °C and especially 1000 °C in electric furnace for three hours simulated the high temperature load. Compared to silica aggregates together with Portland cement, where after 1000 °C the composite is disintegrated with almost zero strength, the refractory components show considerably better parameters.
dcterms:title
Comparison of Refractory and Non-refractory Components in Cement Composites after High Temperatures Load Comparison of Refractory and Non-refractory Components in Cement Composites after High Temperatures Load
skos:prefLabel
Comparison of Refractory and Non-refractory Components in Cement Composites after High Temperatures Load Comparison of Refractory and Non-refractory Components in Cement Composites after High Temperatures Load
skos:notation
RIV/68407700:21110/14:00223537!RIV15-GA0-21110___
n3:aktivita
n18:P
n3:aktivity
P(GAP104/12/0791)
n3:dodaniDat
n5:2015
n3:domaciTvurceVysledku
n6:5837200 n6:8733910 n6:1047124 n6:3751406
n3:druhVysledku
n14:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
8169
n3:idVysledku
RIV/68407700:21110/14:00223537
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Basalt aggregates; silica aggregates; aluminous cement; Portland cement; basalt fibers; temperature 1000 °C; mechanical properties; ultrasonic pulse testing
n3:klicoveSlovo
n4:Portland%20cement n4:temperature%201000%20%C2%B0C n4:basalt%20fibers n4:Basalt%20aggregates n4:silica%20aggregates n4:mechanical%20properties n4:aluminous%20cement n4:ultrasonic%20pulse%20testing
n3:kontrolniKodProRIV
[C3BC852A77E0]
n3:mistoKonaniAkce
Skalský Dvůr
n3:mistoVydani
Uetikon-Zurich
n3:nazevZdroje
Special Concrete and Composites 2014
n3:obor
n10:JN
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n7:GAP104%2F12%2F0791
n3:rokUplatneniVysledku
n5:2014
n3:tvurceVysledku
Konvalinka, Petr Reiterman, Pavel Jogl, Marcel Holčapek, Ondřej
n3:typAkce
n20:EUR
n3:wos
000348436200007
n3:zahajeniAkce
2014-10-16+02:00
s:issn
1022-6680
s:numberOfPages
4
n15:doi
10.4028/www.scientific.net/AMR.1054.33
n19:hasPublisher
Trans Tech Publications
n16:isbn
978-3-03835-317-1
n8:organizacniJednotka
21110