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结构在中震下允许进入弹塑性阶段,常规的设计很难对结构进行中震下的性能控制。为实现基于中震的性能化设计方法,通过对6组钢框架-钢板剪力墙结构进行Pushover分析,得到了不同性能指标下地震力调整系数建议值。利用地震力调整系数,提出了钢框架-钢板剪力墙结构基于中震的性能化设计方法。算例结果表明,利用该方法可有效地对钢框架-钢板剪力墙结构进行中震的性能化设计。
The structure is allowed to enter the elasto-plastic phase under moderate shock, and the conventional design is difficult to control the performance of the structure under medium vibration. In order to realize the performance-based design method based on moderate earthquakes, the proposed values of the seismic force adjustment coefficient under different performance indexes are obtained through Pushover analysis of 6 steel frame-steel plate shear wall structures. Using the seismic force adjustment coefficient, a performance-based design method based on moderate earthquakes of steel frame-steel plate shear wall structure is proposed. The numerical results show that this method can effectively design the mid-seismic performance of the steel frame-steel plate shear wall structure.