Keywords cold-formed steel axially compressed columns;distortional buckling;interactive buckling;DSM;conditions of distortional buckling;critical stress of distortional buckling;

• 冷弯型钢轴压柱;畸变屈曲;相关屈曲;直接强度法;畸变屈曲条件;畸变屈曲临界应力;