EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF CONCRETE BEAM REINFORCED WITH HRBF400 STEEL BARS

Ge Wenjie; Zhang Jiwen; Dai Hang; Tu Yongming

doi:10.13204/j.gyjz201106015

Volume 41 Issue 6

Dec. 2014

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Ge Wenjie, Zhang Jiwen, Dai Hang, Tu Yongming. EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF CONCRETE BEAM REINFORCED WITH HRBF400 STEEL BARS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 71-74. doi: 10.13204/j.gyjz201106015

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Ge Wenjie, Zhang Jiwen, Dai Hang, Tu Yongming. EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF CONCRETE BEAM REINFORCED WITH HRBF400 STEEL BARS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 71-74. doi: 10.13204/j.gyjz201106015

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EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF CONCRETE BEAM REINFORCED WITH HRBF400 STEEL BARS

doi: 10.13204/j.gyjz201106015

1.
Key Laboratory of Concrete and Prestressed Concrete Structure of Ministry of Education,Southeast University,Nanjing 210096,China

Received Date: 2010-06-30
Publish Date: 2011-06-20

Abstract

Abstract

In order to investigate the flexural behavior of concrete beam reinforced with 400 MPa fine grain high steel bars, the static bending tests on four rectangle cross-section concrete beams were made.Mechanical characteristics, flexural capacity of normal section, crack and deflection were analyzed according to present code.The results show that the flexural behavior of concrete beam reinforced with 400 MPa fine grain high steel bars is similar to normal concrete beam, the average concrete strain of different height keeps plane;flexural capacity and crack spacing could still be calculated by the current code for their values are close to the tested values.The current code was not suit able for calculating crack width;deflection value calculated by current code was a little smaller than the test value, so the stiffness-calculating formula was proposed to multiply 0.85 for adjustment;under the state of serviceability, crack width and deflection meet the requirements of the current code.
- concrete beam,
- HRBF400 steel bars,
- flexural behavior,
- deflection,
- crack

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References(7)

References

GB 500102002混凝土结构设计规范[S].

[2] GB 5015292混凝土结构试验方法标准[S].

[3] GB/T 2282002金属材料室温拉伸试验[S].

[4] GB/T 500812002普通混凝土力学性能试验方法[S].

[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.

[6] 李美云,范参良. HRB400级钢筋混凝土构件变形的试验分析[J].工业建筑,2005,35(3):27-29.

[7] 王铁成,李艳艳,戎贤.配置500MPa 钢筋的混凝土梁受弯性能试验[J].天津大学学报,2007,40(5):507-511.

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