THE INTERACTIVE-BUCKLING ANALYSIS OF TAPERED H-SECTION STEEL BEAMS WITH THIN WEB

Yang Na; Long Lihua; Yang Qingshan

doi:10.13204/j.gyjz200701024

Volume 37 Issue 1

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2007 > 37(1): 96-100

Tong Lewei, Zhao Jun, Zhou Feng, Chen Yiyi, Hu Xiaoping. EXPERIMENTAL INVESTIGATION ON LONGITUDINAL RESIDUAL STRESS OF Q460 HIGH-STRENGTH STEEL WELDED H-SECTION MEMBERS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 51-55,17. doi: 10.13204/j.gyjz201201009

Citation:

Yang Na, Long Lihua, Yang Qingshan. THE INTERACTIVE-BUCKLING ANALYSIS OF TAPERED H-SECTION STEEL BEAMS WITH THIN WEB[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(1): 96-100. doi: 10.13204/j.gyjz200701024

Citation:

Yang Na, Long Lihua, Yang Qingshan. THE INTERACTIVE-BUCKLING ANALYSIS OF TAPERED H-SECTION STEEL BEAMS WITH THIN WEB[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(1): 96-100. doi: 10.13204/j.gyjz200701024

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THE INTERACTIVE-BUCKLING ANALYSIS OF TAPERED H-SECTION STEEL BEAMS WITH THIN WEB

doi: 10.13204/j.gyjz200701024

1.
School of Civil Engineering and Architecture Beijing Jiaotong University Beijing 100044

Received Date: 2006-08-20
Publish Date: 2007-01-20

Abstract

Abstract

Based on the finite element method,the interactive buckling of tapered H-section steel beams used in portal frame structures are analyzed by ANSYS,in which geometric and material non-linearity are considered.The H-section tapered beams with thin web are dispersed by Shell 181 element and analyzed considering the geometric initial imperfection and the residual stress in the whole course.According to the load-deflection curves obtained,ultimate load-carrying capacity,deformation and the area of plasticity etc,the geometric parameters are analyzed systematically,which include web width-thickness ratio,flange width-thickness ratio,span and web tapering ratio etc.The interactive buckling of tapered H-section steel beams is discussed.By comparing the results obtained from the method with those of current Chinese technical specification,some valuable conclusions are drawn.
- tapered H -section beam with thin web,
- interactive buckling,
- geometric initial imperfection,
- residualstress,
- web tapering ratio

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References(8)

References

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CECS 102-1998.门式刚架轻型房屋钢结构技术规程[S].

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