According to the design codes of three concrete filled steel tubular structures at present the critical slenderness ratios in failure between short and long column in three codes are calculated.

• 根据目前有代表性的三种钢管混凝土结构设计规范,计算分析了三种规范中关于短柱破坏与长柱破坏之间临界长细比的大小,并做了进一步的比较分析,给出了一些对工程有意义的结论。