CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING

Jia Jinqing; Zhang Lihua; Meng Gang

doi:10.13204/j.gyjz201208012

Volume 42 Issue 8

Dec. 2014

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Abstract

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Jia Jinqing, Zhang Lihua, Meng Gang. CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 54-58. doi: 10.13204/j.gyjz201208012

Citation:

Jia Jinqing, Zhang Lihua, Meng Gang. CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 54-58. doi: 10.13204/j.gyjz201208012

Jia Jinqing, Zhang Lihua, Meng Gang. CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 54-58. doi: 10.13204/j.gyjz201208012

Citation:

Jia Jinqing, Zhang Lihua, Meng Gang. CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(8): 54-58. doi: 10.13204/j.gyjz201208012

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CALCULATION METHOD FOR DAMAGE INDEX OF RC BEAM UNDER FATIGUE LOADING

doi: 10.13204/j.gyjz201208012

1.
State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116023,China

Received Date: 2012-04-10
Publish Date: 2012-08-20

Abstract

Abstract

At present, the existing researches on the fatigue performance of reinforced concrete beam are mainly madeby experiments．Based on the linear relationship between the damage of concrete secant modulus and plastic strain, the damage variable of the beam was established by plastic strain．And then, the calculation formula of damage indexwas derived, which could be used in the complete process analysis．Through the comparison with experimentalresults, the applicability and reliability of the formula was proved．
- RC beam,
- bending fatigue,
- damage index,
- plastic strain

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References(13)

References

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[10] 易成,朱红光,王青,等.疲劳荷载下混凝土梁弯曲损伤指标的探究[J].应用力学学报,2009,26(1):71-75.

[11] 钟铭,任红伟,袁长卿.疲劳荷载作用下高强混凝土受弯构件的变形性能[J].公路交通科技,2005,22(11):105-109.

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