某不规则高层钢结构弹塑性时程分析

Elastoplastic time history analysis of an irregular high-rise steel structure

本工程为不规则高层钢结构,通过对该结构进行不规则性分析,确定了其抗震性能设计目标。采用Sausage软件对结构进行了罕遇地震作用下的弹塑性时程分析,分析结果表明,该结构在罕遇地震作用下的楼层位移、层间位移角、楼层剪力均满足规范要求,各个构件的塑性损伤及性能等级均满足大震作用下性能设计的目标要求,并分析找出结构的不规则薄弱部位并进行加强设计。

This project is an irregular high-rise steel structure.Through the irregularity analysis of the structure,the seismic performance target is obtained.The structure elastoplastic time history performance during conditions of rarely occurred earthquake is analyzed by Sausage software.Analytic content contains structure performance of storey displacement,storey drift ratio and storey shearing force,the The plastic damage and performance grade of each component can achieve the seismic performance target under the action of large earthquakes.The irregular weak parts of the structure are found out and the design is strengthened.