Buckling resistance assessment of thin-walled open section element under pure compression

被引：2
|
作者：
Piotrowski, Andrzej [1 ]
Kowalewski, Lukasz [1 ]
Szczerba, Radoslaw [1 ]
Gajewski, Marcin [1 ]
Jemiolo, Stanislaw [1 ]
机构：
[1] WUT, Fac Civil Engn, Armii Ludowej 16, PL-00637 Warsaw, Poland
来源：
5TH INTERNATIONAL SCIENTIFIC CONFERENCE INTEGRATION, PARTNERSHIP AND INNOVATION IN CONSTRUCTION SCIENCE AND EDUCATION | 2016年 / 86卷
关键词：
D O I：
10.1051/matecconf/20168601021
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The paper deals with the problem of buckling resistance determination in case of perforated thin-walled elements. Depending on element slenderness the limit load in compression mode may be determined taking into account elastic (LBA analysis), elasto-plastic and plastic material properties (GMNA analysis). The limit load value is determined on the basis of thin-walled open section beam theory in case of elastic buckling and using Johnson-Ostenfeld approximation for elastoplastic buckling. Obtained results are compared with finite element solutions derived using shell modelling and large deformation theory with Huber-Mises elasto-plasticity constitutive model without any geometrical imperfections. Some results of the carried out experiments are also shown.
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页数：8
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