STABILITY BEHAVIOR OF COLD-FORMED THIN-WALLED STEEL FIXED-ENDED CHANNELS WITH COMPLEX EDGE STIFFENERS UNDER AXIAL COMPRESSIVE LOAD

Wang Chungang; Song Daijun; Zhang Zhuangnan

doi:10.13204/j.gyjz201202027

Volume 42 Issue 2

Dec. 2014

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Wang Chungang, Song Daijun, Zhang Zhuangnan. STABILITY BEHAVIOR OF COLD-FORMED THIN-WALLED STEEL FIXED-ENDED CHANNELS WITH COMPLEX EDGE STIFFENERS UNDER AXIAL COMPRESSIVE LOAD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(2): 120-124. doi: 10.13204/j.gyjz201202027

Citation:

Wang Chungang, Song Daijun, Zhang Zhuangnan. STABILITY BEHAVIOR OF COLD-FORMED THIN-WALLED STEEL FIXED-ENDED CHANNELS WITH COMPLEX EDGE STIFFENERS UNDER AXIAL COMPRESSIVE LOAD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(2): 120-124. doi: 10.13204/j.gyjz201202027

Citation:

Wang Chungang, Song Daijun, Zhang Zhuangnan. STABILITY BEHAVIOR OF COLD-FORMED THIN-WALLED STEEL FIXED-ENDED CHANNELS WITH COMPLEX EDGE STIFFENERS UNDER AXIAL COMPRESSIVE LOAD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(2): 120-124. doi: 10.13204/j.gyjz201202027

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STABILITY BEHAVIOR OF COLD-FORMED THIN-WALLED STEEL FIXED-ENDED CHANNELS WITH COMPLEX EDGE STIFFENERS UNDER AXIAL COMPRESSIVE LOAD

doi: 10.13204/j.gyjz201202027

1.
Civil Engineering College,Shenyang Jianzhu University,Shenyang 110168,China

Received Date: 2011-10-20
Publish Date: 2012-02-20

Abstract

Abstract

In order to investigate the stability behavior of channels with complex edge stiffeners under axial load between fixed-ends,a total of 292 members with different parameters such as width-to-thickness ratio of flanges,section shapes,length of column,stiffener length were selected to be studied by nonlinear finite element analysis.The influence of the above parameters on stability behavior of channels with complex edge stiffeners were studied.It is shown that fixed-ended columns are more prone to distortional buckling.When width-to-thickness ratio of flanges is big,the overall instability mode tends to perform the flexural-torsional buckling.The ultimate load-carrying capacity of members decreases with the increase in the flange width-to-thickness ratio and slenderness ratio.With differences of width-to-thickness ratio of flanges,two different rules were shown about the influence of edge stiffeners on the load-carrying efficiency of members.
- steel channels with complex edge stiffeners,
- fixed-ended members under axial load,
- stability behavior,
- buckling mode,
- finite element analysis

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References(11)

References

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