弹塑性静力分析法在超高层钢—混凝土混合结构抗震分析中的应用  

Application of Push-over Analysis

作　　者：李达明 

机构地区：[1]厦门中建东北设计院

出　　处：《建筑钢结构进展》2002年第2期39-44,共6页Progress in Steel Building Structures

摘　　要：本文首先介绍了现行国家规范、规程及法规对超高层建筑必须进行弹塑性时程分析的规定,并介绍了目前弹性时程分析及弹塑性时程分析在超高层钢结构建筑抗震设计中应用的现状和不足之处。随后介绍了一种在国外工程界应用较多的弹塑性静力分析方法(Push-over Analysis),详细阐述了该方法的基本原理、计算模型、杆件单元刚度取值、计算程序、计算结果及分析。进而结合实际工程(某超高层钢-混凝土混合结构建筑),采用平面非线性地震反应分析程序(DRAIN-2DX)进行实例分析、This paper first introduce the regulation on the elastic-plastic time-history analysis for super-high-rising building, which is required by present Chinese codes and rules. Then, it introduces the current situation and deficiency of the utility of the elastic time-history method and the elastic-plastic time-history method, when they are applied to the seismic design of super-high-rising building. Next the Push-over analysis, which is getting more and more widely used, is recommended, and its present basic principles, analytical modes, analytical software and the results of analysis are presented. Through a practical project, the application of push-over analysis is illustrated.

关 键 词：超高层钢-混凝土混合结构 时程分析 弹塑性静力分析 

分 类 号：TU391[建筑科学—结构工程]