It is proved that polypropylene fiber concrete performs well in resisting impact , abrasion and crack , and thus well applicable in sandy flow region characterized in high speed and turbulence , such as the filling & emptying culvert of shiplock , etc 表明聚丙烯纖維混凝土具有良好的抗沖耐磨性能和抗裂性能,可較好地應(yīng)用于船閘輸水廊道等處于高速、紊亂、含沙水流區(qū)。