STUDIES ON PRESTRESSING LOSS OF CONCRETE BEAMS PRESTRESSED WITH CFRP TENDONS

Wang Zuohu; Du Xiuli; Liu Jingbo

doi:10.13204/j.gyjz201110007

Volume 41 Issue 10

Dec. 2014

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Wang Zuohu, Du Xiuli, Liu Jingbo. STUDIES ON PRESTRESSING LOSS OF CONCRETE BEAMS PRESTRESSED WITH CFRP TENDONS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 29-32. doi: 10.13204/j.gyjz201110007

Citation:

Wang Zuohu, Du Xiuli, Liu Jingbo. STUDIES ON PRESTRESSING LOSS OF CONCRETE BEAMS PRESTRESSED WITH CFRP TENDONS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 29-32. doi: 10.13204/j.gyjz201110007

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STUDIES ON PRESTRESSING LOSS OF CONCRETE BEAMS PRESTRESSED WITH CFRP TENDONS

doi: 10.13204/j.gyjz201110007

1.
1. The Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education,Beijing University of Technology,Beijing 100124,China;
2.
2. Department of Civil Engineering,Tsinghua University,Beijing 100084,China

Received Date: 2010-11-19
Publish Date: 2011-10-20

Abstract

Abstract

In order to study the prestressing loss of fiber reinforced plastics (FRP) tendons，the prestressing loss experiment of six concrete beams prestressed with CFRP tendons is carried out． Based on the measured values of experiment，combined with relevant calculating， the prestressing loss of FRP tendons are studied， and the corresponding design suggestions are proposed． The results show that the contents of prestressing loss of CFRP tendons are similar to steel cables，and the approach of subentry calculating total loss of prestressing can be used for CFRP tendons． The calculated results were close to those of the tests，and the error is within 15%．
- CFRP tendon,
- prestressed concrete,
- prestressing loss

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References(10)

References

袁竞峰.新型FRP 筋混凝土梁受弯性能研究[D].南京: 东南大学，2006.

[2] 王作虎.预应力FRP 筋混凝土梁结构性能研究[D].北京: 北京工业大学，2010.

[3] 王晓辉，张蜀泸，薛伟辰.有粘结CFRP 筋预应力损失计算[J].工业建筑，2006，36(4):23-25.

[4] 张力滨.无粘结预应力CFRP 混凝土受弯构件设计[J]. 低温建筑技术，2007，116(2):49-50.

[5] 戴绍斌，朱健.预应力碳纤维筋混凝土梁张拉损失的试验研究[J].武汉理工大学学报，2004，26(3):70-72.

[6] 王鹏，丁汉山，夏文俊，等.碳绞线体外预应力桥梁预应力损失监测与分析[J].特种结构，2008，25(1):84-87.

[7] 曹国辉，方志.体外配置CFRP 预应力筋混凝土箱梁受力性能试验研究[J].公路交通科技，2006，23(10):50-54.

[8] 詹界东.纤维筋(FRP 筋) 组合式锚具的试验研究[D].北京:北京工业大学，2009.

[9] 孟履祥.纤维塑料筋部分预应力混凝土梁受弯性能研究[D]．北京: 中国建筑科学研究院，2005.

[10] ACI committee.ACI 440.4R-04 Prestressing Concrete with FRP Tendons[S]．

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