框支剪力墙结构消能减震设计  

Energy dissipation design of frame-supported shear wall structures

作　　者：陈敏[1] 陈伯望[1] 邹银生[2] 

机构地区：[1]中南林业科技大学土木工程与力学学院,长沙410004 [2]湖南大学土木工程学院,长沙410082

出　　处：《建筑结构》2016年第6期43-48,共6页Building Structure

基　　金：国家自然科学基金项目(51178473);湖南省教育厅科学研究青年项目(13B149)

摘　　要：提出一种框支剪力墙结构消能减震策略——黏性液体阻尼器只布置在框支层。标准层剪力墙优先布置在四角,其余部分可采用短肢剪力墙或框架柱,以减小扭转响应;黏性液体阻尼器仅提供阻尼,可在框支层灵活布置,与部分框支剪力墙相比,优势明显。首先通过对1栋10层框支剪力墙结构进行弹性时程分析,验证了剪力墙布置策略是否恰当;然后针对设计基本地震加速度为0.15g的1栋15层建筑案例,考虑7种设计方案进行弹性与弹塑性时程分析。结果表明,采用消能减震措施后,框支剪力墙结构的安全性可得到更好的保证。An energy dissipation design strategy for frame-supported shear wall structure was proposed, and in this method, viscous liquid damper was simply arranged in the frame supporting layer. Shear wall of standard layer was arranged in the four comers with priority, while the rest part might apply short limb shear wall or frame column to reduce the torsional response. Viscous fluid damper provided only damping, which could be flexibly arranged on the frame supporting layer and it had obvious advantages compared with partial frame-supported shear wall structure. First of all, elastic time-history analysis was carried out on a 10-story frame-supported shear wall structure building to verify the layout strategy of shear wall. And then seven design schemes were based on the design case of a 15-story building with the design basic seismic acceleration of ground motion being 0. 15g to conduct the elastic and elastic-plastic time-history analysis. The results show that safety of frame-supported shear wall structure shall be better guaranteed after adopting energy dissipation measures.

关 键 词：框支剪力墙结构 消能减震 平扭耦联 时程分析 

分 类 号：TU352.1[建筑科学—结构工程] TU375.4