On the stability of thin-walled columns with z, s and sigma sections

机译：关于z，s和sigma截面的薄壁柱的稳定性

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The results of the linear stability analysis of thin-walled columns displaying Z, S and Sigma cross-sections are presented. A parametric investigation, concerning th variation of the critical stress and associated buckling mode with (i) the column length and (ii) the thickness and relative widths of the plates forming the section, is performed. Both local and global buckling modes are dealt with an particular attention is paid to (i) the determination of combinations of parameter values leading to the occurrence of "mixed modes" and also to (ii) the possibility of such modes being associated to the critical stress values.

机译：给出了显示Z，S和Sigma横截面的薄壁柱的线性稳定性分析结果。进行了关于临界应力和相关屈曲模式的变化的参数研究，其中（i）柱长和（ii）形成截面的板的厚度和相对宽度。局部屈曲模式和全局屈曲模式都需要特别注意（i）确定导致“混合模式”出现的参数值组合，以及（ii）这种模式与临界模式相关联的可能性应力值。

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来源
《Second International Conference on Coupled Instabilities in Metal Structures CIMS'96 5-7 September 1996 Liege-Belgium》|1996年|p.149-156|共8页
会议地点 Liege(BE);Liege(BE)
作者
D. Camotim; L.C. Prola;
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正文语种 eng
中图分类建筑科学;
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On the stability of thin-walled columns with z, s and sigma sections

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