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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F13%3A00205734%21RIV14-TA0-21110___
rdf:type
skos:Concept n20:Vysledek
dcterms:description
Abstract: The paper presents results from large scale experiments on reinforced concrete panels obtained during an extensive experimental program aimed at possible application of cement reduced (fly ash replaced) concrete in the production of precast segmental linings for tunnels created by TBM. In particular, this paper is focused on the comparison of fire resistance of enhanced mixtures loaded by the RWS fire curve, which assumes 50 m3 fuel tanker fire lasting for 120 minutes. The results from the experiments include spalling, overall damage of the surface, deformations during the fire exposure, temperature distribution and residual strength of the tested panels. The possibility of numerically approximate the deformations and time dependent temperature distribution throughout the specimens is evaluated. The paper also presents a description of a method proposed for the evaluation of the extent of spalling during the experiments as due to the extreme temperatures the direct observation of the exposed surface is excluded. Abstract: The paper presents results from large scale experiments on reinforced concrete panels obtained during an extensive experimental program aimed at possible application of cement reduced (fly ash replaced) concrete in the production of precast segmental linings for tunnels created by TBM. In particular, this paper is focused on the comparison of fire resistance of enhanced mixtures loaded by the RWS fire curve, which assumes 50 m3 fuel tanker fire lasting for 120 minutes. The results from the experiments include spalling, overall damage of the surface, deformations during the fire exposure, temperature distribution and residual strength of the tested panels. The possibility of numerically approximate the deformations and time dependent temperature distribution throughout the specimens is evaluated. The paper also presents a description of a method proposed for the evaluation of the extent of spalling during the experiments as due to the extreme temperatures the direct observation of the exposed surface is excluded.
dcterms:title
Experimental Investigation of the Fire Resistance of Modified Concrete Experimental Investigation of the Fire Resistance of Modified Concrete
skos:prefLabel
Experimental Investigation of the Fire Resistance of Modified Concrete Experimental Investigation of the Fire Resistance of Modified Concrete
skos:notation
RIV/68407700:21110/13:00205734!RIV14-TA0-21110___
n20:predkladatel
n21:orjk%3A21110
n3:aktivita
n8:P
n3:aktivity
P(TA01030245)
n3:dodaniDat
n16:2014
n3:domaciTvurceVysledku
n6:3638464 n6:7783671
n3:druhVysledku
n11:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
74072
n3:idVysledku
RIV/68407700:21110/13:00205734
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Fire resistance; Concrete; Spalling; Fly ash; PP fibres
n3:klicoveSlovo
n13:Concrete n13:Fire%20resistance n13:PP%20fibres n13:Spalling n13:Fly%20ash
n3:kontrolniKodProRIV
[6AAFFA959300]
n3:mistoKonaniAkce
Svratka
n3:mistoVydani
Praha
n3:nazevZdroje
Engineering Mechanics 2013
n3:obor
n10:JM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n5:TA01030245
n3:rokUplatneniVysledku
n16:2013
n3:tvurceVysledku
Brouček, Miroslav Šejnoha, Michal
n3:typAkce
n12:EUR
n3:zahajeniAkce
2013-05-13+02:00
s:issn
1805-8256
s:numberOfPages
8
n18:hasPublisher
Ústav termomechaniky AV ČR
n7:isbn
978-80-87012-47-5
n19:organizacniJednotka
21110