ANALYSIS OF FATIGUE LIFE OF CONCRETE BEAMS REINFORCED WITH PRESTRESSED CFRP SHEETS

Zhang Ke; Ye Lieping; Yue Qingrui

doi:10.13204/j.gyjz200807027

Volume 38 Issue 7

Dec. 2014

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Ma Shu-fang, Zhao Jun-hai, Wei Xue-ying. THEORY AND TEST INVESTIGATION OF BEARING CAPACITY OF CONCRETE FILLED STEEL TUBE UNDER ECCENTRIC COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(10): 79-80. doi: 10.13204/j.gyjz200610022

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Zhang Ke, Ye Lieping, Yue Qingrui. ANALYSIS OF FATIGUE LIFE OF CONCRETE BEAMS REINFORCED WITH PRESTRESSED CFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(7): 107-112. doi: 10.13204/j.gyjz200807027

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ANALYSIS OF FATIGUE LIFE OF CONCRETE BEAMS REINFORCED WITH PRESTRESSED CFRP SHEETS

doi: 10.13204/j.gyjz200807027

1.
1. Beijing Zhongjianheng Test and Appraiser of Construction Engineering Co.,Ltd Beijing 100011;
2.
2. Civil Engineering Department,Tsinghua University Beijing 100084;
3.
3. Central Research Institute of Building and Construction,MCC Group Beijing 100088

Received Date: 2007-06-20
Publish Date: 2008-07-20

Abstract

Abstract

The full play to high-strength and high elasticity of CFRP sheets can be given by strengthening technology with prestressed CFRP sheets,which can increase remarkably fatigue life of a rein-forced concrete beam.It is analyzed the fatigue life of prestressed CFRP sheets under fatigue load,using local stress-strain method.The key parameters are determined by the test results,based on which practical calculation method of its fatigue life is also proposed.This method is more rational as compared to that in current code,which may provide a reference for subsequently researching fatigue theory and working out codes.
- prestress,
- CFRP sheets,
- strengthen,
- concrete beam,
- fatigue life

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References(11)

References

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Curtis P T.The Fatigue Behavior of Fibrous Composite Materials.J.Strain Anal.1991,24(4):235-244

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[7] Heffernan P J.Fatigue Behaviour of Reinforced Concrete Beams Strengthened with CFRP Laminates:[Ph.D Thesis].Department of Civil Engineering,Royal Military College of Canada Kingston:1997

[8] 赵顺波.钢筋混凝土板正截面疲劳性能试验研究.应用基础与工程科学学报,1999,7(3):289-297

[9] 赵少汴,王忠保.疲劳设计.北京:机械工业出版社,1992

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