Application of nano-silica modified fiber in cementitious materials

被引：0
|
作者：
Yang, Zhiqian [1 ,2 ]
Liu, Jianzhong [1 ,2 ]
Liu, Jiaping [1 ,2 ]
机构：
[1] State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Academy of Building Science Co., Ltd., Nanjing 210008, China
[2] Jiangsu Bote New Materials Co., Ltd., Nanjing 210008, China
来源：
Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition) | 2010年 / 40卷 / SUPPL. 2期
关键词：
Mortar - Reinforced plastics - Fiber reinforced materials - Nanoparticles - Fibers - Reinforced concrete - Silica - Cracks;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new type of nano-silica modified polypropylene fiber was prepared. The mechanical properties of fiber were tested and the distribution of nano-particles on the fiber surface was observed with SEM. This paper focuses on the mechanism of improving fiber-matrix interfacial properties, especially the dispersion of modified fiber and crack resistance and their effects on mechanical properties of fiber reinforced mortar(FRM) and fiber reinforced concrete(FRC). The results demonstrate that the modified fiber with well-distribution of nano-silica has good mechanical properties, and shows excellent dispersion and crack resistance. The interfacial property of fiber-matrix is improved and the compressive and flexural strength of FRM and FRC is increased to some extent.
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页码：49 / 55
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