Damages first came out from some weak zones of H profiled bar joints such as weld seams and bolt joints, because rigid joints did not show enough tensibility under cyclic load.

• 试验过程中,刚性节点在循环荷载作用下没有表现足够的延性,H型钢连接件的焊缝及螺栓连接等薄弱区首先破坏;