Direct strength-method study on ultimate load-carrying capacity of eccentrically loaded lipped channels

被引：0
|
作者：
Wang, Chun-Gang [1 ,2 ]
Zhang, Yao-Chun [1 ]
机构：
[1] School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China
[2] Civil Engineering College, Shenyang Jianzhu University, Shenyang 110168, China
来源：
Gongcheng Lixue/Engineering Mechanics | 2009年 / 26卷 / 02期
关键词：
Load limits - Thin walled structures - Loads (forces);
D O I：
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中图分类号：
学科分类号：
摘要：
The direct strength method is a very effective new way for calculating carrying capacity of thin-walled members. The shift of lipped channel effective centroid is determined by ANSYS analysis and its formula is established also. Based on this point, the direct strength method for calculating the ultimate load-carrying capacity about the minor axis of pin-ended lipped channels under eccentric compressive axial load acted in the plane of major axis is proposed. The method can consider local and overall interaction buckling, distortional and overall interaction buckling, as well as the shift of the effective centroid. The results compared with the test ones and the finite element analysis shows that this method is valid for calculating the shift of lipped channel effective centroid and the ultimate load-carrying capacity of eccentrically loaded lipped channels.
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页码：97 / 102
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