RESEARCH ON HYSTERETIC BEHAVIOR OF REINFORCED CONCRETE COLUMNS AFTER THE ACTION OF SUSTAINED LOAD

Zhang Jian; Diao Bo; Xi Jie

doi:10.13204/j.gyjz201210010

Volume 42 Issue 10

Dec. 2014

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Zhang Jian, Diao Bo, Xi Jie. RESEARCH ON HYSTERETIC BEHAVIOR OF REINFORCED CONCRETE COLUMNS AFTER THE ACTION OF SUSTAINED LOAD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(10): 38-41. doi: 10.13204/j.gyjz201210010

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RESEARCH ON HYSTERETIC BEHAVIOR OF REINFORCED CONCRETE COLUMNS AFTER THE ACTION OF SUSTAINED LOAD

doi: 10.13204/j.gyjz201210010

Zhang Jian^1,2,
Diao Bo^1,2,
Xi Jie¹

1.
1. Department of Civil Engineering,Beihang University,Beijing 100191,China;
2.
2. State Key Laboratory of Subtropical Building,South China University of Science and Technology,Guangzhou 510641,China

Received Date: 2011-10-15
Publish Date: 2012-10-20

Abstract

Abstract

Reinforced concrete structures in service are usually with cracks and subjected to the service load,the hysteretic behavior of reinforced concrete structures with sustained eccentric loads and cracks needs to be investigated.The 28 d cured reinforced concrete columns with different sustained compressive eccentric loads were cured in the nature condition for 100 d,then their hysteretic behaviors were tested after the sustained loads were removed.Results showed that when the horizontal load produced the same tensile and compressive stress distribution as that of sustained eccentric load,the ultimate loads,ductility and initial stiffness of columns decreased with the increase of sustained eccentric loads.When the horizontal load was reverse,the ultimate loads showed an descend trend,while the initial stiffness and ductility increased with increase of sustained eccentric loads.The sustained eccentric loads had an impact on the hysteretic behavior of reinforced concrete columns．
- sustained loading,
- reinforced concrete,
- hysteretic behavior,
- eccentric compressive columns

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References(4)

References

[2] 史庆轩，牛荻涛，颜桂云.反复荷载作用下锈蚀钢筋混凝土压弯构件恢复力性能的试验研究[J].地震工程与工程振动，2000，20(4): 44-50.

吴波，马忠诚，欧进萍.高温后钢筋混凝土柱抗震性能的试验研究[J].土木工程学报，1999，32(2): 53-58.

[3] 贡金鑫，仲伟秋，赵国藩.受腐蚀钢筋混凝土偏心受压构件低周反复性能的试验研究[J].建筑结构学报，2004 (5 ):92-97.

[4] Montejo L A，Sloan J E，Kowalsky M J，et al.Cyclic Response ofReinforced Concrete Members at Low Temperatures [J].J.ColdReg.Engrg.，2008，22(3): 79-102．

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