Double pull specimens for measuring the ultimate slip of FRP-concrete interface

被引：0
|
作者：
Yang, Qifei [1 ]
Weng, Haiwang [1 ]
Xiong, Guangjing [1 ]
机构：
[1] Department of Civil Engineering, Shantou University, Shantou 515063, China
来源：
Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition) | 2009年 / 37卷 / 04期
关键词：
Reinforced concrete - Beams and girders;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The difficulties of measuring the ultimate slip δu between fiber reinforced polymer (FRP) and concrete by using the existed specimens were investigated. A new concept named double pull specimen for measuring δu steadily is put forward. The new practical double pull specimens were developed by the experimental study. Test results show that the double pull specimens may subject to a relatively large local slip without entire FRP-to-concrete debonding. As a result, the shortcoming of the existed specimens was overcome. Based on this another 10 specimens were prepared. Methods for judging δu and the range of δu were investigated. Test results showed that δu was from 0.31 to 0.52 mm under the given experimental conditions.
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页码：119 / 121
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