摘要
为了改善和控制混凝土温度收缩性能,在混凝土中加入高强度、低延伸性聚丙烯纤维。通过对聚丙烯纤维在混凝土中的工作机理分析,提出了聚丙烯纤维可以不同程度地提高混凝土抗裂性能、混凝土韧性与抗冲击性、混凝土抗渗性能,尤其明显改善了混凝土抗裂性能。
In order to improve and control the temperature of concrete shrinkage of the concrete by adding high-intensity, low elongation of the polypropylene fiber. Based on the polypropyiene fiber in concrete mechanism of the work to obtain polypropylene fiber crack resistance of the concrete, concrete toughness and impact resistance, impermeability of concrete have varying degrees of increase, particularly concrete- crack performance improved significantly role in the technical and economic conditions permit should be widely used.
出处
《交通科技与经济》
2008年第4期8-9,共2页
Technology & Economy in Areas of Communications
关键词
聚丙烯纤维
混凝土
抗裂性
Polypropylene fibers
concrete
crack resistance
