The geometric and material nonlinearities,the linear kinematic hardening and the effect of strain hardening at corner zone by cold-forming are taken into account in the model.

• 分析结果表明:宽厚比和轴压比对构件滞回性能影响显著,随着宽厚比的增加,构件承载、转动以及塑性变形能力降低;