FLEXIBILITY-BASED FIBER BEAM-COLUMN ELEMENT AND ITS PARAMETRIC ANALYSIS

Zhang Chuanchao; Zheng Shansuo; Li Lei; Wang Bin; Hu Yi; Chen Min

doi:10.13204/j.gyjz201012023

Volume 40 Issue 12

Dec. 2014

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Zhang Chuanchao, Zheng Shansuo, Li Lei, Wang Bin, Hu Yi, Chen Min. FLEXIBILITY-BASED FIBER BEAM-COLUMN ELEMENT AND ITS PARAMETRIC ANALYSIS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(12): 90-94. doi: 10.13204/j.gyjz201012023

Citation:

Zhang Chuanchao, Zheng Shansuo, Li Lei, Wang Bin, Hu Yi, Chen Min. FLEXIBILITY-BASED FIBER BEAM-COLUMN ELEMENT AND ITS PARAMETRIC ANALYSIS[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(12): 90-94. doi: 10.13204/j.gyjz201012023

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FLEXIBILITY-BASED FIBER BEAM-COLUMN ELEMENT AND ITS PARAMETRIC ANALYSIS

doi: 10.13204/j.gyjz201012023

1.
School of Civil Engineering,Xi’an University of Architecture and Technology,Xi’an 710055,China

Received Date: 2010-02-25
Publish Date: 2010-12-20

Abstract

Abstract

Based on flexibility and fiber model,the beam-column element of the modeling methods for concrete-filled steel tube columns is researched and a parametric analysis is carried out by Opensees software.The effects of the constitutive relationship of material,the mesh division of fiber cross-section and the number of integration points on the simulation precision and the calculation efficiency are discussed.The results show that the descending section of confined concrete constitutive relationship and the enhancing section of steel constitutive relationship are the main factors which affect the accuracy of hysteretic model.On the other hand,both the mesh division of fiber cross-section and the number of integration points affect the calculation efficiency.The research can supply a theoretic basis for the use of this sort of element in a composite structure.
- concrete-filled steel tube column,
- flexibility-based,
- fiber model,
- constitutive relationship,
- integration point

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References(9)

References

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