EXPERIMENTAL RESEARCH ON HRBF500 HIGH STRENGTH RC BEAMS FOR HIGH SPEED RAILWAY UNDER FATIGUE LOADING

Wang Xinling; Chen Qingping; Du Lin

doi:10.13204/j.gyjz201011006

Volume 40 Issue 11

May 2015

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Wang Xinling, Chen Qingping, Du Lin. EXPERIMENTAL RESEARCH ON HRBF500 HIGH STRENGTH RC BEAMS FOR HIGH SPEED RAILWAY UNDER FATIGUE LOADING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 18-21,26. doi: 10.13204/j.gyjz201011006

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EXPERIMENTAL RESEARCH ON HRBF500 HIGH STRENGTH RC BEAMS FOR HIGH SPEED RAILWAY UNDER FATIGUE LOADING

doi: 10.13204/j.gyjz201011006

1.
College of Civil Engineering,Zhengzhou University,Zhengzhou 450002,China

Received Date: 2010-07-28
Publish Date: 2010-11-20

Abstract

Abstract

The study on fatigue properties of HRBF500 high strength reinforced concrete structures is rarely reported.The two rectangle and two T-section HRBF500 R C beams are designed and produced.And the static loading and fatigue experiments are conducted on these specimens.Based on the experimental results,the tensile strain of the steel,midspan deflection and the cracks developing law are analyzed under the static loading on the specimen with different cross-section and steel ratio.The mechanical properties of the beams are evaluated when the steel stress is over 150 MPa under fatigue experiment.The test result shows that the maximum fatigue load and amplitude are the main factors to decide if fatigue failure would occur on the beam.
- HRBF500,
- fatigue performance,
- experimental research,
- reinforced concrete beam

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References(7)

References

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[5] 赵进阶,张钦喜,杨勇新,等.HRBF500 钢筋混凝土梁受弯承载力试验研究[J].工业建筑,2009,39(3):52-55.

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