The mechanical properties of polypropylene fiber reinforced concrete

被引：0
作者：
Li, Bei-Xing [1 ]
Chen, Ming-Xiang [1 ]
Cheng, Fang [2 ]
Liu, Lu-Ping [2 ]
机构：
[1] Wuhan Univ.
来源：
Journal Wuhan University of Technology, Materials Science Edition | 2004年 / 19卷 / 03期
关键词：
Concrete; Mechanical properties; Polypropylene fiber; Steel fiber;
D O I：
10.1007/bf02835065
中图分类号：
学科分类号：
摘要：
The compressive, shear strength and abrasion-erosion resistance as well as flexural properties of two polypropylene fiber reinforced concretes and the comparison with a steel fiber reinforced concrete were reported. The experimental results show that a low content of polypropylene fiber (0.91 kg/m3 of concrete) slightly decreases the compressive and shear strengths, and appreciably increases the flexural strength, but obviously enhances the toughness index and fracture energy for the concrete with the same mix proportion, consequently it plays a role of anti-cracking and improving toughness in concrete. Moreover, the polypropylene mesh fiber is better than the polypropylene monofilament fiber in improving flexural strength and toughness of concrete, but the two types of polypropylene fibers are inferior to steel fiber. All the polypropylene and steel fibers have no great beneficial effect on the abrasion-erosion resistance of concrete.
引用
收藏
页码：68 / 71
页数：3
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