建筑结构学报2013，Vol.34Issue(2)：45-52,8.
罕遇地震作用下钢筋混凝土框架-剪力墙结构的耗能机制分析
Study on energy dissipation mechanism of reinforced concrete frame-shear wall structure under rare earthquakes
摘要
Abstract
In order to determine the reasonable structural energy dissipation mechanism under rare earthquakes, several reinforced concrete frame-shear wall structures were analyzed by elasto-plastic time-history analytical method under a series of strong earthquake records. Based on the energy distribution among different types of structural members and along the structural height, typical energy dissipation mechanisms were summarized and evaluated respectively. And also the influences of structural parameters on the energy dissipation mechanisms were discussed. The results show that that ' strong wall pier-weak coupling beam' mechanism, leading to good structural seismic performance, should be set as the objective of structural seismic design while the ' strong coupling beam-weak wall pier' mechanism should be avoided. It is also shown that energy dissipation mechanism is determined by the relative stiffness of coupling beam and wall pier in the shear wall rather than relative numbers of frame and shear wall in the whole structure. At last, the measure of setting horizontal gap in the coupling beam with small span-depth ratio is proposed to result in ' strong wall pier-weak coupling beam' mechanism in the structure. And the effectiveness of this measure is validated through a numerical example.关键词
钢筋混凝土框架-剪力墙结构/耗能机制/强墙肢弱连梁/连梁水平分缝Key words
reinforced concrete frame-shear wall structure/ energy dissipation mechanism/ strong wall pier-weak coupling beam/ horizontal gap in the coupling beam分类
建筑与水利引用本文复制引用
缪志伟,叶列平..罕遇地震作用下钢筋混凝土框架-剪力墙结构的耗能机制分析[J].建筑结构学报,2013,34(2):45-52,8.基金项目
国家自然科学基金项目(51008078),东南大学基本科研业务费创新基金项目. （51008078）
