摘要
以卷边工形构件和普通工形构件为研究对象,从稳定性能和经济性能两方面进行对比。首先,分析二者屈曲形式的异同,并通过对比二者腹板和翼缘的屈曲系数来反映二者稳定性能的差异。然后,基于弹塑性范围内的稳定承载力有限元分析,从两方面入手对二者的经济性能进行研究:一是用钢量相同,比较二者的承载力;二是承载力相同,比较二者的用钢量。研究结果表明:卷边工形构件是一种较工形构件更为经济高效的型材。
Lipped H-section members and common H-section members are compared in both stability capacity and economic performance. Firstly, different buckling modes of the two types of members are presented, and the difference of stability capacity between them can be seen clearly by the comparison of buckling coefficient of sections. Based on FE analysis considering large deformation and material elastic-plasticity, the economic performance is researched in two aspects: comparison of stability bearing capacity with the same steel consumption and comparison of steel consumption with the same stability bearing capacity. It is proved that lipped H-section members are more economic and effective than H-section members.
出处
《工业建筑》
CSCD
北大核心
2009年第9期28-31,共4页
Industrial Construction
关键词
卷边工形构件
畸变失稳
承载力
用钢量
lipped H-section members
distortional buckling
load-carrying capacity
steel consumption