Elastic Buckling of Cold-Formed Thin-Walled Channel Beams with Drop Flanges

被引：18
|
作者：
Magnucki, K. [1 ,2 ]
Paczos, P. [1 ]
Kasprzak, J.
机构：
[1] Poznan Univ Tech, Inst Appl Mech, PL-60965 Poznan, Poland
[2] Inst Rail Vehicles, PL-61055 Poznan, Poland
来源：
JOURNAL OF STRUCTURAL ENGINEERING | 2010年 / 136卷 / 07期
关键词：
Thin-walled beam; Global and local buckling; Drop flanges; Channel beams; OPEN CROSS-SECTION; OPTIMAL-DESIGN; STRENGTH;
D O I：
10.1061/(ASCE)ST.1943-541X.0000184
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The subject of the paper is cold-formed thin-walled channel beams with open or closed profile of drop flanges. The geometric properties of two C-sections are described including warping functions and warping inertia moments. The analytical solutions of problems of global and local stability of thin-walled beams are presented. The theoretical solutions of elastic buckling problems of these beams are numerically found using FEM and are experimentally verified. The results of analytical and numerical investigations are compared and presented in the tables and figures.
引用
收藏
页码：886 / 896
页数：11
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