On the experiment of Wang Huan-ding, an elastoplastic 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。
The anchorage performance of steel column base of large span structure is one of the key problems in seismic design.
大跨结构柱脚锚固性能是抗震设计的关键之一。
Part of the shop ground should be 1m lower than 0.000 elevation, steel column feet don't descend, RC column to the base instead.
车间一层地面局部下降1米，钢柱下做钢筋混凝土短柱，柱脚不下沉。
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