THE LATERAL BUCKLING OF SIMPLY SUPPORTED UNRESTRAINED BISYMETRIC I-SHAPE BEAMS

被引：9
|
作者：
Bijak, R. [1 ]
机构：
[1] Kielce Univ Technol, Fac Civil Engn & Architecture, Al 1000 Lecia PP 7, PL-25314 Kielce, Poland
来源：
ARCHIVES OF CIVIL ENGINEERING | 2015年 / 61卷 / 04期
关键词：
lateral buckling moment; simply supported beams with free warping; bisymmetric I-shaped beams; analytical solution;
D O I：
10.1515/ace-2015-0040
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The analytical approach is used for checking the stability of laterally unrestrained bisymmetric beams. The stability equations for simply supported beams are solved approximately using the Bubnov-Galerkin method [4]. The lateral buckling moment depends on bending distribution and on the load height effect. Each of applied concentrated and distributed loads, may have arbitrary direction and optional coordinate for the applied force along the cross section's height. Derived equations allow for simple, yet fast control of lateral buckling moment estimated by FEM [15].
引用
收藏
页码：127 / 140
页数：14
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