罕遇地震下多高层建筑钢结构弹塑性位移的实用计算  

A Practical Approach for Estimating Elastoplastic Displacements of Multistory and Tall Steel Buildings Under Severe Earthquakes

作　　者：李国强[1] 冯健[1] 

机构地区：[1]同济大学,上海200092

出　　处：《建筑结构学报》2000年第1期77-83,共7页Journal of Building Structures

摘　　要：本文在合理地选取丰富的地震记录及典型的结构形式的基础上，通过大量计算，统计得出了 有支撑和无支撑钢框架结构在罕遇地震下弹塑性位移增大系数，以此提出了抗震设计时进行罕遇 地震下多高层建筑钢结构弹塑性位移验算时的实用计算数表。Based on structures with a typical configuration but different stories as well as 80 suitable seismic records, the statistical amplifying factors for estimating the elastoplastic displacements of braced and unbraced steel building frames subjected to severe earthquakes have been obtained through a great number of numerical calculations. A table of factors with reasonable reliability is proposed for elastoplastic displacement check to implement aseismic design of multistory and tall steel building in practice.

关 键 词：钢结构 地震 弹塑性位移 计算 建筑结构 

分 类 号：TU393.01[建筑科学—结构工程] TU331.4