在罕遇地震作用下，看台钢筋混凝土结构刚度的退化对上部钢结构抗震有利。
Besides, under ultimate seismic load, the structural steel roof benefits from the stiffness degradation from reinforced concrete stand.
一个悬挂的钢结构桥体被用来连接上部空间，其穿孔板暗示了体量的轻盈。
A suspended steel bridge is used to link the upper Spaces, its perforated floor further hints at its lightness.
上部新增钢结构对下部混凝土结构承载力的影响结果及对策。
Increasing layers of steel structures influence and countermeasure to the bearing capacity of under-part.
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