FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM

Zheng Yun; Yue Qingrui; Chen Xuan; Li Zhongyu

doi:10.13204/j.gyjz201305031

Volume 43 Issue 5

Dec. 2014

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Abstract

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Zheng Yun, Yue Qingrui, Chen Xuan, Li Zhongyu. FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 148-152. doi: 10.13204/j.gyjz201305031

Citation:

Zheng Yun, Yue Qingrui, Chen Xuan, Li Zhongyu. FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 148-152. doi: 10.13204/j.gyjz201305031

Zheng Yun, Yue Qingrui, Chen Xuan, Li Zhongyu. FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 148-152. doi: 10.13204/j.gyjz201305031

Citation:

Zheng Yun, Yue Qingrui, Chen Xuan, Li Zhongyu. FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 148-152. doi: 10.13204/j.gyjz201305031

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FATIGUE TEST RESEARCH ON CFRP STRENGTHENED STEEL BEAM

doi: 10.13204/j.gyjz201305031

1.
Central Research Institute of Building and Construction Co.Ltd,MCC,Beijing100088,China

Received Date: 2012-12-20
Publish Date: 2013-05-20

Abstract

Abstract

The different fatigue life of CFRP strengthened steel beams and unstrengthened ones were compared under medium-high cycle and low stress range fatigue test, and the fitting result of the test was analyzed.It was shown that the fatigue life could be improved by gluing CFRP on the sensitive area of the bottom flange of steel beam.The fatigue life of steel beams with initial fatigue crack could also be restored to the level of undamaged ones by gluing CFRP.
- CFRP,
- steel beam,
- stress range,
- fatigue life,
- strengthening

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References(7)

References

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[3] Bassetti A,Nussbaumer A,Manfred A Hirt. Crack Repair and?Fatigue Life Etension of Riveted Members Using Composite?Materials[C]// Bridge Engineering Conference ESE-IABSE-FIB.2000:227-238.

[4] Colombi P,Bassetti A,Nussbaumer A. Analysis of Cracked Steel?Members Reinforce by Pre-stress Composite Patch [ J]. Fract?Engng Mater Struct.,2003,26(2):59-66.

[5] Tavakkolizadeh M,Saadatmanesh H. Fatigue Strength of Steel?Girders Strengthened with CFRP Patch[J]. Journal of Structural?Engineering,2003,129(2):186-196.

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