The complete load-deflection response of stepped T-type RHS joints under loading is traced by using finite element method considering material and geometrically nonlinear effect.

• 采用能处理几何非线性和材料非线性影响的有限元方法分析不等宽T型方管节点的受力全过程,对材料应变硬化、大挠度效应及弦杆所受荷载对节点承载力的影响进行了研究。