PP섬유 혼입 및 메탈라스 횡구속에 의한 고성능 콘크리트의 폭열방지에 관한 실험적 연구

An Experimental Study on the Spatting Resistance of High Performance Concrete with PP Fiber Contents and Lateral Confinement by Metal-Lath

This paper describes the results of spalling by fire prevention of high performance concrete confining with metal-lath and containing PP fiber. According to test results, all the specimens without PP fiber shows entire failure after exposed to fire, while the other specimens confined with metal-lath has somewhat better spatting prevention performance than plain concrete specimens, which only show surface scale spatting combination of PP fiber with confinement of metal-lath leads to favorable spatting resistance. As PP fiber contents and thickness of metal-lath which is confined at concrete specimens increase, residual strength after exposed to fire shows to be increased.