BEHAVIOR RESEARCH OF TWO NEW KINDS OF COLD-FORMED FLANGE-CLOSED SECTION BEND MEMBERS

Wu Sheng; Zhang Sumei

doi:10.13204/j.gyjz200705022

Volume 37 Issue 5

Dec. 2014

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Citation:

Wu Sheng, Zhang Sumei. BEHAVIOR RESEARCH OF TWO NEW KINDS OF COLD-FORMED FLANGE-CLOSED SECTION BEND MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 88-93. doi: 10.13204/j.gyjz200705022

Citation:

Wu Sheng, Zhang Sumei. BEHAVIOR RESEARCH OF TWO NEW KINDS OF COLD-FORMED FLANGE-CLOSED SECTION BEND MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 88-93. doi: 10.13204/j.gyjz200705022

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BEHAVIOR RESEARCH OF TWO NEW KINDS OF COLD-FORMED FLANGE-CLOSED SECTION BEND MEMBERS

doi: 10.13204/j.gyjz200705022

1.
School of Civil Engineering,Harbin Institute of Technology Harbin 150090

Received Date: 2006-12-25
Publish Date: 2007-05-20

Abstract

Abstract

Hollow flange beam(HFB) has particular cross section with two torsionally rigid closed triangular flanges and a comparatively flexible web,it is a type of high efficient cross section mainly used as flexural members.Based on the HFB section,it is put forward that two new kinds of cold-formed flange-closed welding sections named HF1 and HF2 through changing the component of section and section parameters of HFB.It is also presented a finite element analytical model suitable for non-linear analysis of HFB flexural members.The model includes all significant effects that may influence the ultimate capacity of such members,including material inelasticity,local buckling,member instability,web distortion,and geometric imperfections.On the base of precise finite element model,nonlinear finite element method is adopted to study the new sections' buckling modes,relative deflection,moment-curvature curves,and ultimate capacity.The static behaviors of the two kinds of sections are analyzed completely.It can be concluded that the new sections have the well characteristic of high rigidity,high ultimate capacity,local buckling of the sections always hard to occur,and can go deep into the experiment study as to be used in the practical engineering.
- cold-formed thin-walled steel,
- flange-closed sections,
- static behavior,
- finite element analysis

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References(9)

References

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