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Mechanical Properties of Light-Weight Concrete After Fire Exposure (CROSBI ID 228541)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Torić, Neno ; Boko, Ivica ; Juradin, Sandra ; Baloević, Goran Mechanical Properties of Light-Weight Concrete After Fire Exposure // Structural concrete, 17 (2016), 6; 1071-1081. doi: 10.1002/suco.201500145

Podaci o odgovornosti

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

engleski

Mechanical Properties of Light-Weight Concrete After Fire Exposure

The paper presents an experimental research project that focused on analysing the short-term residual mechanical properties of lightweight concrete after exposure to temperatures of up to 600 °C and the effects of the short-term residual mechanical properties on the post-fire loadbearing capacity of different concrete sections. The experimental programme was conducted on four different concrete mixes by determining the mechanical properties immediately after cooling and up to 96 h after cooling. The following properties were investigated: compressive strength, ultrasonic pulse velocity and stress- strain curves. The results show that the compressive strength undergoes an additional reduction in comparison to the initial residual strength (0 h property) of up to 20 % in the reference time period. A numerical study is presented at the end of the paper in order to quantify the effects of the short-term strength reduction on the axial loadbearing capacity of slender and stocky concrete columns.

Concrete ; fire ; compressive strength ; residual properties ; modulus of elasticity ; stress ; post-fire ; heat transfer

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Podaci o izdanju

17 (6)

2016.

1071-1081

objavljeno

1464-4177

10.1002/suco.201500145

Povezanost rada

Građevinarstvo

Poveznice
Indeksiranost