为研究冷弯薄壁不等肢复杂卷边角钢屈曲性能和稳定承载力设计方法,对24根不同截面、长细比、宽厚比的不等肢复杂卷边角钢进行了轴压试验。试验结果表明,长细比较大且宽厚比较小的试件易发生弯扭屈曲,长细比较小而宽厚比较大的试件易发生局部屈曲或弯扭和局部相关屈曲。采用ABAQUS有限元软件对试件进行了有限元模拟,屈曲模式和承载力与试验结果吻合良好,表明建立的有限元分析模型是可行的。因此可采用经验证的有限元模型对不同长细比、卷边形式和卷边比的轴心受压不等肢复杂卷边角钢进行了参数化分析。结果表明 ...
姚行友 +3 more
doaj
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