长富宫高层钢结构在罕遇地震时的安全检验

Safety Check for Chang Fu Gong Hotel Highrise Steel Structure under Rarely-Occurred Earthquake

本文介绍了用时程分析对长富宫饭店高层钢结构进行的罕遇地震作用下的安全检验,用层水平承载力、层间位移角和层间位移延性比三个参数检验,长富宫在大震时是安全的。还用罕遇地震时的等效层剪力作了检验。在此基础上,提出了高层建筑钢结构抗震设计第二阶段安全检验的弹塑性时程分析实用方法建议。

This paper presents the safety check for Chang Fu Gong Hotel steel structure under rarely-occurred earthquake. By examining the story shear, drift and drift ductility ratio given by time history analysis,it is believed that the structure would be safe. Equivalent story shear under rarely-occurred earthquake has also been checked. A practical procedure of elastoplastic time history analysis safety check during the second stage of the aseismic design for steel structure is also suggested.