ANALYSIS OF MAXIMUM TENSIONED PRESTRESS AND INTERFACIAL BOND STRESS OF PRESTRESSED CFRP SHEETS

Zhang Ke; Ye Lieping; Yue Qingrui

doi:10.13204/j.gyjz200707028

Volume 37 Issue 7

Dec. 2014

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Zhang Ke, Ye Lieping, Yue Qingrui. ANALYSIS OF MAXIMUM TENSIONED PRESTRESS AND INTERFACIAL BOND STRESS OF PRESTRESSED CFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 96-99. doi: 10.13204/j.gyjz200707028

Citation:

Zhang Ke, Ye Lieping, Yue Qingrui. ANALYSIS OF MAXIMUM TENSIONED PRESTRESS AND INTERFACIAL BOND STRESS OF PRESTRESSED CFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 96-99. doi: 10.13204/j.gyjz200707028

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ANALYSIS OF MAXIMUM TENSIONED PRESTRESS AND INTERFACIAL BOND STRESS OF PRESTRESSED CFRP SHEETS

doi: 10.13204/j.gyjz200707028

1.
1 Zhongwai Jianhuacheng Urban Construction Co.,Ltd.Beijing 100085;
2.
2 Department of Civil Engineering,Tsinghua University Beijing 100084;
3.
3 Central Research Institute of Building and Construction,MCC Group Beijing 100088

Received Date: 2006-08-20
Publish Date: 2007-07-20

Abstract

Abstract

It is very important to analyze the forces at concrete-CFRP sheets interface after the tension of CFRP sheets in the technology of strengthening a concrete beam with the prestressed CFRP sheets.The maximum initial prestress that can be applied to CFRP sheets is also concerned in the research.It is obtained the changing law of the tensioned CFRP sheets-concrete interfacial shear stress and its calculation method based on CFRP sheets-concrete bilinear shear-slip model.According to which it is proposed the maximum initial prestress that can be applied to CFRP sheets.
- prestress,
- CFRP sheets,
- strengthen,
- interfacial stress

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References(4)

References

Wu Z S,Matsuzaki T,Yokoyama K,et al.Retrofitting Method for Reinforced Concrete Structures.with Externally Prestressed Carbon Fiber Sheets//Proceedings of the Fourth International Symposium on Fiber Reinforced Polymer Reinforced Concrete Structures (FRPRCS-4).1999:751-765

[2] 陆新征.FRP-混凝土界面行为研究:[博士学位论文].北京:清华大学,2004

[3] 牛赫东,吴智深.预应力FRP纤维布粘结补强技术中的截面剪切应力传递//第二届全国土木工程用纤维增强复合材料(FRP)应用技术学术交流会论文集.2002:74-85

[4] 张轲.预应力碳纤维布加固混凝土梁弯曲疲劳性能研究:[博士学位论文].北京:清华大学,2005

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