水平地震力作用下框架结构二阶效应影响分析  

ANALYSIS OF SECOND-ORDER EFFECT TO THE FRAME STRUCTURE UNDER HORIZONTAL EARTHQUAKE ACTION

作　　者：童申家[1] 童岳生[1] 

机构地区：[1]西安建筑科技大学,西安710055

出　　处：《工业建筑》2000年第8期17-20,40,共5页Industrial Construction

摘　　要：框架在水平地震力作用下产生侧移变形 ,由于竖向重力荷载的同时存在 ,从而对框架的内力及变形引起二阶效应 ,现对此做了计算分析并得出一些规律。The frame structure deflects laterally under the horizontal earthquake action.Owing to the presence of vertical gravity load the second order effect is produced in frame and the internal force and sidesway will be changed.These problems are discussed in this paper and some laws are obtained.

关 键 词：框架结构 水平地震力 二阶效应 侧移变形 

分 类 号：TU311.3[建筑科学—结构工程]