IMPACT RESISTANT PERFORMANCE OF FIBER REINFORCED CEMENTITIOUS COMPOSITE PLATES SUBJECTED TO HIGH VELOCITY IMPACT BY A RIGID PROJECTILE

Abstract

 This paper presents an experimental investigation of the effects of short fiber reinforcement on the local damage of concrete plates. Three fiber reinforced cementitious composites including polypropylene fiber and polyvinyl alcohol short fiber with concrete and mortar matrix were used. In order to determine static and dynamic material properties, static and rapid speed tensile loading tests were conducted. To examine the relation between dynamic mechanical properties and impact resistant performance, high velocity impact tests were carried out. Test results indicated that the reinforced plates with high ductility in static loading showed very brittle in the high velocity impact test and that, in contrast, the reinforced plates with low fracture energy in static loading showed extremely high impact resistant performance in the high velocity impact tests.