聚丙烯纤维在牛角坪大桥桥面防水层中的应用

On application of polypropylene fiber in waterproof layer of ground of Niujiaoping Bridge

针对聚丙烯纤维在襄渝二线牛角坪特大桥桥面防水层中的应用进行了介绍,阐述了聚丙烯纤维的性能及对混凝土的影响,并通过工程实际应用和试验室的试验进行了验证,指出该纤维能提高混凝土结构的抗震能力和抗剪性能。

The paper introduces the application of the polypropylene fiber in the bridge waterproof layer of Niujiaoping Bridge along No.2 railway for Xiangfan-Chongqing railway,illustrates the performance of the polypropylene fiber and its influence on the concrete,proves its property according the factual application and experiments,and points out the fiber can improve the seismic competence and performance of the concrete structures.