Distortional buckling of perforated cold-formed steel channel-section beams with circular holes in web

被引：28
|
作者：
Yuan, Wei-bin [1 ]
Yu, Nan-ting [1 ]
Li, Long-yuan [2 ]
机构：
[1] Zhejiang Univ Technol, Coll Civil Engn & Architecture, Hangzhou, Zhejiang, Peoples R China
[2] Univ Plymouth, Sch Engn, Plymouth PL4 8AA, Devon, England
来源：
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2017年 / 126卷
关键词：
Perforated; Cold-formed; Channel; Distortional buckling; Web opening; Finite element; DIRECT STRENGTH METHOD; STORAGE RACK COLUMNS; BEHAVIOR; DESIGN; STUDS; UPRIGHTS; MEMBERS; MODEL;
D O I：
10.1016/j.ijmecsci.2017.04.001
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper presents the numerical and analytical investigations on the distortional buckling of perforated cold formed steel channel-section beams with circular holes in web. The numerical investigation involves the use of finite element methods. In the analytical analysis the distortional buckling model recommended in EN1993-1-3 is employed. The influence of the web holes on the distortional buckling behaviour and corresponding critical stress and moment of perforated cold-formed steel channel-section beams are discussed. Finally, a simple analytical formulation is proposed for evaluating the effect of hole size on the reduction of critical stress and critical moment of the channel-section beams with circular holes in web.
引用
收藏
页码：255 / 260
页数：6
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