On the experiment of Wang Huan-ding, an elasto-plastic biaxial hysteretic model for variable stiffness base isolator made of concrete-filled steel tubular short column is proposed in this paper.

• 在王焕定等人试验的基础上,针对变刚度钢管混凝土短柱隔震装置提出了便于弹塑性时程分析中应用的双向恢复力模型。