摇摆结构及自复位结构研究综述

被引:223
作者
周颖
吕西林
机构
[1] 同济大学土木工程防灾国家重点实验室
关键词
抗震结构; 摇摆; 自复位; 综述;
D O I
10.14006/j.jzjgxb.2011.09.001
中图分类号
TU352.1 [耐震、隔震、防爆结构];
学科分类号
摘要
放松结构与基础间约束或构件间约束,使结构与基础或构件间接触面处仅有受压能力而无受拉能力,则结构在地震作用下发生摇摆,通过自重或预应力使结构复位,形成摇摆结构及自复位结构。已有研究表明,结构的摇摆降低了地震作用和结构本身的延性设计需求,减小了地震破坏,节约了结构造价。本文首先回顾了摇摆及自复位结构的发展历史,简要介绍了摇摆及自复位结构的基本原理,综述了摇摆桥墩、摇摆及自复位钢筋混凝土框架结构、摇摆及自复位钢框架结构、摇摆及自复位剪力墙结构、摇摆框架-核心筒结构等不同结构体系的发展现状,总结了摇摆及自复位结构发展趋势,并指出后张预应力和消能减震等多种技术的联合应用为摇摆及自复位结构的未来发展方向之一。
引用
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页码:1 / 10
页数:10
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