偏心支撑框架设计新进展  

Advance in eccentrically braced frame design

作　　者：蔡益燕 钱稼茹[2] 郁银泉 

机构地区：[1]中国建筑标准设计研究院,北京100048 [2]清华大学土木系,北京100084

出　　处：《建筑结构》2011年第4期7-10,共4页Building Structure

摘　　要：介绍了美国新标准对偏心支撑框架设计的修订,并对我国抗震规范和有关规程对偏心支撑框架的修订作了说明。与过去的规定相比,新规定对构件的内力增大系数有明显降低。说明了降低的原因,并介绍了偏心支撑框架构件和连接设计的有关要求和应考虑的问题,可供设计人员参考。Renovations of eccentrically braced frame（EBF） design in AISC341-05 were mentioned,and revisions of EBF design in newly published Code for seismic design of buildings were also presented.Compared with former regulations,obvious decrease in enhancement factors of member internal force can be seen.The reasons of decrease were presented.The related design of members and connections design were introduced,which can be reference for engineer.

关 键 词：偏心支撑框架 消能梁段 内力增大系数 

分 类 号：TU391.5[建筑科学—结构工程]