A comparative study on mechanical properties of surface modified polypropylene (PP) fabric reinforced concrete composites

被引：20
作者：
Feng, Guyu
Wang, Xinyue
Zhang, Diantang
Cao, Haijian
Qian, Kun [1 ]
Xiao, Xueliang
机构：
[1] Jiangnan Univ, Minist Educ, Key Lab Sci & Technol Ecotext, Wuxi 214122, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 157卷
关键词：
PP fabric; Concrete; Graft; Mechanical property; Freeze-thaw durability; SELF-COMPACTING CONCRETE; ACRYLIC-ACID; CEMENTITIOUS-MATRIX; FIBER; PERFORMANCE; POLYMERIZATION; RESISTANCE; REDUCTION; BEHAVIOR; IMPACT;
D O I：
10.1016/j.conbuildmat.2017.08.004
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this study, acrylic acid (AA) and grapheme oxide (GO) were grafted onto the surface of PP fabric in order to improve mechanical property and freeze-thaw durability of PP fabric reinforced concrete composites. Results showed that the successful graft of AA and GO increased the surface roughness of PP fabric as well as improved the hydrophilicity of PP fabric. Compressive property of modified PP fabric reinforced concrete composites showed slight increase. Flexural strength of PP-g-AA-GO fabric reinforced concrete composites increased by 25.6% compared with that of pristine PP fabric reinforced concrete composites. The addition of various PP fabrics in concrete significantly improved its freeze-thaw durability. PP-g-AA-GO fabric reinforced concrete composites achieved the highest relative dynamic modulus of elastic and residual flexural strength, as well as mass remaining percentage. (C) 2017 Published by Elsevier Ltd.
引用
收藏
页码：372 / 381
页数：10
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