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Post-fire reduction of concrete's mechanical properties and its impact on residual load capacity (CROSBI ID 612000)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Torić, Neno ; Boko, Ivica ; Juradin, Sandra ; Baloević, Goran Post-fire reduction of concrete's mechanical properties and its impact on residual load capacity // Progress on Safety of Structures in Fire / Li, Guo-Qiang ; Kodur, Venkatesh ; Jiang, Shou-Chao et al. (ur.). Shanghai: Tongji University Press, 2014. str. 1171-1178

Podaci o odgovornosti

Torić, Neno ; Boko, Ivica ; Juradin, Sandra ; Baloević, Goran

engleski

Post-fire reduction of concrete's mechanical properties and its impact on residual load capacity

This paper investigates the reduction of mechanical properties of four different light-weight concrete mixes containing expanded clay aggregate in a short time period after exposure to high temperature regime. The research has shown that compressive strength exhibits additional reduction up to 10-20%, 96 hours after being cooled down to ambient temperature. A numerical example of simply supported concrete column exposed to standard fire from four sides is given, illustrating the effects of post-fire strength reduction on residual load capacity. The results obtained indicate that the effect of short-term reduction of the compressive strength of concrete in real structures damaged by fire could have a significant effect on the post-fire load bearing capacity of structures and should be accounted for in the engineering building codes.

Concrete ; Fire ; Compressive strength ; Residual property

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Podaci o prilogu

1171-1178.

2014.

objavljeno

Podaci o matičnoj publikaciji

Progress on Safety of Structures in Fire

Li, Guo-Qiang ; Kodur, Venkatesh ; Jiang, Shou-Chao ; Jiang, Jian ; Chen, Su-Wen ; Lou, Guo-Biao

Shanghai: Tongji University Press

978-7-5608-5494-6

Podaci o skupu

8th International Conference on Structures in Fire

poster

11.06.2014-13.06.2014

Šangaj, Kina

Povezanost rada

Građevinarstvo