自复位耗能支撑研究进展  

Research progress in self-centering energy dissipating braces

作　　者：陈云 陈奕柏[1] 蒋欢军[2] 杨东全[1] 曹宝珠[1] 

机构地区：[1]海南大学土木建筑工程学院,海南海口570228 [2]同济大学土木工程防灾国家重点实验室,上海200092

出　　处：《地震工程与工程振动》2014年第5期239-246,共8页Earthquake Engineering and Engineering Dynamics

基　　金：国家自然科学基金重大国际合作研究项目(51261120377);国家自然科学基金资助(51408170);国家科技支撑计划课题(2012BAJ13B02);海南省自然科学基金项目(514208);海南大学科研启动基金资助项目(kyqd1401);海南大学中西部计划项目

摘　　要：传统的防屈曲耗能支撑在强震产生屈服后,通常震后具有较大的残余变形,对结构造成不利的影响,而且支撑自身修复代价昂贵。因此,近年来部分国内外学者开始研究具有自复位功能的新型支撑形式,它具有在强震后支撑的残余变形小和自复位的功能。本文主要介绍了目前国内外关于自复位支撑的最新研究进展,对国内外已有的自复位支撑进行了分类,介绍了不同类型自复位支撑的工作原理,所采用的材料和其优缺点。除此之外,还阐述了作者开发的几种自复位支撑的组成形式和部分研究结果。when the traditional buckling-restraining braces yield in the strong earthquake event,the larger residual deformation would be produced in the braces. This will not only have adverse effects on structures but also result in expensive repair costs. Hence,in the past few years,the new self-centering energy dissipating braces have been developed and investigated at home and abroad. This not only produces small residual deformation,but also has self-centering function after strong earthquakes. In this paper the latest research progress in self-centering braces is introduced and a classification of self-centering braces is proposed. In addition,the working principle,material used and advantages and disadvantages of different kinds of self-centering braces are summarized. Finally,several self-centering braces developed by the authors are also introduced.

关 键 词：自复位 耗能支撑 防屈曲支撑 形状记忆合金 预应力筋 框架-支撑体系 

分 类 号：TU352.1[建筑科学—结构工程] TU317.1