EXPERIMENTAL STUDY ON SEISMIC BEHAVIOR OF JOINT OF CFST COLUMN-RC BEAM

Yao Guohuang; Chen Yiyan; Huang Yongjun; Pan Donghui; Zheng Xiaoying; Xu Wenjie

doi:10.13204/j.gyjz201102023

Volume 41 Issue 2

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2011 > 41(2): 97-101,69

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Yao Guohuang, Chen Yiyan, Huang Yongjun, Pan Donghui, Zheng Xiaoying, Xu Wenjie. EXPERIMENTAL STUDY ON SEISMIC BEHAVIOR OF JOINT OF CFST COLUMN-RC BEAM[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(2): 97-101,69. doi: 10.13204/j.gyjz201102023

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EXPERIMENTAL STUDY ON SEISMIC BEHAVIOR OF JOINT OF CFST COLUMN-RC BEAM

doi: 10.13204/j.gyjz201102023

1.
1. Department of Civil Engineering,Tsinghua University,Beijing,100084,China;
2.
2. Shenzhen Municipal Design &Research Institute Co.Ltd,Shenzhen 518029,China;
3.
3. China Construction(Shenzhen) Design International,Shenzhen 518048,China;
4.
4. Dongguan University of Techonology,Dongguan 523808,China;
5.
5. Xiamen Building Development Group Co.Ltd,Xiamen 361004,China

Received Date: 2010-10-20
Publish Date: 2011-02-20

Abstract

Abstract

A new type of concrete-filled steel tube(CFST) column-RC beam joint was presented in this paper.In the CFST column-RC beam connecting zone,the out steel tube of CFST column locally opened rectangular hole and stiffened,the longitudinal reinforcing bars in RC beam stretched into the joint.The concrete was monolithically cast in the region of the beam,the column and the joint.The construction of joint was simplified and the joint stiffness was strengthened.The wasted energy behaviour,failure process and the failure mode of the specimen members were studied by experiments.The studies showed that the hysteretic curves of the joint had plump shuttle shape and the joint did not fail when the specimen was in limit state,while the beam was damaged.The feasibility of the joint in the static load was proved.The joint can meet the seismic design principles ofstrong column,weak beam and stronger joint.
- concrete filled steel tube,
- joint,
- seismic behaviour,
- experimental study,
- bearing capacity

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References(9)

References

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沈阳化工大学材料科学与工程学院沈阳 110142

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