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


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 ; Jiang, Jian ; Chen, Su-Wen ; Lou, Guo-Biao (ur.).
Shanghai: Tongji University Press, 2014. str. 1171-1178 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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

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

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
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, 2014, 1171-1178

ISBN
978-7-5608-5494-6

Skup
8th International Conference on Structures in Fire

Mjesto i datum
Shanghai, Kina, 11-13.06.2014

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Concrete ; Fire ; Compressive strength ; Residual property

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo



POVEZANOST RADA


Ustanove
Fakultet građevinarstva, arhitekture i geodezije, Split