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对一栋存在多项超限的155m高的钢筋混凝土框支-剪力墙结构进行抗震性能设计。根据规范,对结构构件制定一系列的抗震性能目标,同时满足安全性和经济性。根据抗震性能目标,对结构进行不同性能水准的地震作用分析。根据小、中震的分析结果,进行薄弱连接楼板、转换层楼板设计。基于Pushover分析,进行结构薄弱部位构件的加强。结果表明:通过制定合理的抗震性能目标,可有效地提高超限结构的抗震性能。此工程实例为其他工程的结构抗震性能设计提供了参考。
A seismic design of a 155m high RC box-shear wall structure with a number of overrun is carried out. According to the code, a series of seismic performance objectives are formulated for structural members, while meeting the safety and economy requirements. According to the seismic performance target, the seismic performance analysis of the structure with different performance levels is carried out. According to the analysis results of small and moderate earthquakes, weak connection floor, conversion floor floor design. Based on Pushover analysis, we strengthen the components with weak structure. The results show that the seismic performance of overrun structure can be effectively improved by formulating a reasonable anti-seismic performance target. This project example provides a reference for the design of structural seismic performance of other projects.