The present paper summarizes the results of a recent experimental study that highlights the developing of innovative solutions for concrete elements reinforced with FRP bars. In particular good structural performances at high temperatures are showed by results of some tests on full scale concrete slabs reinforced with glass fiber (GFRP) bars recently performed by authors. Six slabs, characterized by different concrete covers and bars anchorage lengths at the end were positioned on a furnace and exposed to fire according to the timetemperature curve ISO834 provided in UNI EN 1363-1. Four slabs were tested under typical design loads in fire situation (40% and 60% of the bending moment resistance in normal conditions). Further two slabs were not loaded during fire exposure in order to evaluate their residual resistance after fire.
Concrete members reinforced with FRP bars in fire situation / Nigro, Emidio; G., Cefarelli; Bilotta, Antonio; Manfredi, Gaetano; Cosenza, Edoardo. - STAMPA. - COST C26 Final Conference:(2010), pp. 763-768. (Intervento presentato al convegno Final Conference on COST Action C26: Urban Habitat Constructions under Catastrophic Events tenutosi a Napoli nel 16-18 September 2010).
Concrete members reinforced with FRP bars in fire situation
NIGRO, EMIDIO;BILOTTA, ANTONIO;MANFREDI, GAETANO;COSENZA, EDOARDO
2010
Abstract
The present paper summarizes the results of a recent experimental study that highlights the developing of innovative solutions for concrete elements reinforced with FRP bars. In particular good structural performances at high temperatures are showed by results of some tests on full scale concrete slabs reinforced with glass fiber (GFRP) bars recently performed by authors. Six slabs, characterized by different concrete covers and bars anchorage lengths at the end were positioned on a furnace and exposed to fire according to the timetemperature curve ISO834 provided in UNI EN 1363-1. Four slabs were tested under typical design loads in fire situation (40% and 60% of the bending moment resistance in normal conditions). Further two slabs were not loaded during fire exposure in order to evaluate their residual resistance after fire.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
