2014 Volume 25 Pages 147-155
In this study, the explosive resistance of fiber reinforced cement composite was examined by conducting contact explosion tests. The efficiency of spall resistance was improved compared to plain specimens by mixing 2.0 vol.% of PVA, PE, PP and steel fiber, respectively. Explosive resistance was also found to be affected by direct tensile performance and bending performance rather than compressive strength. The protective thickness for spalling and perforation proposed by Morishita et al. was found to be lower in the fiber-reinforced specimens. It was also revealed that changes in cavity thickness between 0, 10, 30 and 50 mm affect explosive resistance. In addition, concrete specimens made with cavity thickness larger than 30 mm and PVA+S panels were found to offer better spall protection.
