SEISMIC BEHAVIOR OF CFST COLUMN TO BEAM JOINT WITHOUT WELDING IN CONSTRUCTION FIELD:THEORETICAL STUDY

Zha Xiaoxiong; Yu Hang

doi:10.13204/j.gyjz201106004

Volume 41 Issue 6

Dec. 2014

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Zha Xiaoxiong, Yu Hang. SEISMIC BEHAVIOR OF CFST COLUMN TO BEAM JOINT WITHOUT WELDING IN CONSTRUCTION FIELD:THEORETICAL STUDY[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 20-24,8. doi: 10.13204/j.gyjz201106004

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Zha Xiaoxiong, Yu Hang. SEISMIC BEHAVIOR OF CFST COLUMN TO BEAM JOINT WITHOUT WELDING IN CONSTRUCTION FIELD:THEORETICAL STUDY[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(6): 20-24,8. doi: 10.13204/j.gyjz201106004

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SEISMIC BEHAVIOR OF CFST COLUMN TO BEAM JOINT WITHOUT WELDING IN CONSTRUCTION FIELD:THEORETICAL STUDY

doi: 10.13204/j.gyjz201106004

Zha Xiaoxiong^1,2,
Yu Hang^1,2

1.
1. Department of Civil and Environmental Engineering,Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,China;
2.
2. Structure and Geotechnical Engineering Research Center,Shenzhen Graduate School,Harbin Institute of Technology,Shenzhen 518055,China

Received Date: 2011-02-12
Publish Date: 2011-06-20

Abstract

Abstract

By means of analyzing the mechanical characteristics and failure model of RC beam to CFST column joint without welding, a three-stage skeleton curve model is presented.In the elastic stage, the initial stiffness is evaluated by solving the stiffness matrix.In the perfect plastic stage and strength degradation stage, the ultimate strength and the degradation stiffness of the joint can be obtained with the limit equilibrium method.In order to verify the theoretical model presented above, finite element analysis results are compared with the theoretical results.It is suggested that the three-stage skeleton curve model can be used to depict the mechanical behavior of this new type of joint.
- CFST column to beam joint,
- seismic behavior,
- skeleton curve,
- RC beam,
- theoretical model

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References(3)

References

[2] 李国强,刘玉姝,赵欣.钢结构框架体系高等分析与系统可靠度设计[M].北京:中国建筑工业出版社,2006.

于航,查晓雄.现场施工完全无焊接钢管混凝土节点抗震性能研究试验与有限元分析[J].工业建筑,2011,41(6):15-19.

[3] 徐秉业,刘信声.应用弹塑性力学[M].北京:清华大学出版社,1995.

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