[1]景铭,戴君武,刘永彬.高层剪力墙结构消能连梁设计案例分析及几个问题的讨论[J].地震工程与工程振动,2017,01(6):079-89.[doi:10.13197/j.eeev.2017.06.79.jingm.009]
 JING Ming,DAI Junwu,LIU Yongbin.Case analysis and discussion on the designing of energy-dissipative coupling beams in high-rise shear wall structures[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2017,01(6):079-89.[doi:10.13197/j.eeev.2017.06.79.jingm.009]
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高层剪力墙结构消能连梁设计案例分析及几个问题的讨论
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《地震工程与工程振动》[ISSN:/CN:]

卷:
01
期数:
2017年6
页码:
079-89
栏目:
论文
出版日期:
2017-12-31

文章信息/Info

Title:
Case analysis and discussion on the designing of energy-dissipative coupling beams in high-rise shear wall structures
作者:
景铭 戴君武 刘永彬
中国地震局 工程力学研究所, 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080
Author(s):
JING Ming DAI Junwu LIU Yongbin
Institute of Engineering Mechanics, China Earthquake Administration;Key Laboratory of Earthquake Engineering and Engineering Vibration of China Earthquake Administration, Harbin 150080, China
关键词:
高层剪力墙结构消能连梁附加阻尼比刚度自振周期
Keywords:
high-rise shear wall structureenergy-dissipative coupling beamadditional damping ratiostiffnessvibration period
分类号:
TU352;TU398
DOI:
10.13197/j.eeev.2017.06.79.jingm.009
摘要:
本文选取两栋高层剪力墙结构住宅工程案例,采用ETABS软件分析并讨论了高层剪力墙结构中安装位移型钢滞变阻尼器连梁进行消能减震设计的几个关键问题。以阻尼器刚度、设计极限位移、附加阻尼比等参数为基本参量,以层间位移角和层间剪力为减震效果优劣评价指标,对比研究了阻尼器空间布设位置和数量变化对结构地震反应的影响规律。验证了阻尼器刚度参数变化影响结构主振周期变化,进一步影响层间剪力减震效果;阻尼器设计极限位移参数变化引起结构整体耗能能力变化,即阻尼器的设置增加了结构附加阻尼比尤其是大震附加阻尼比,使结构大震作用下的层间位移反应得到有效控制。给出了如下设计建议:当在高层剪力墙结构中采用消能连梁进行消能减震设计时,应尽可能将阻尼器布置在受力较大的连梁位置处,并使阻尼器的设计屈服位移和极限位移分别与结构设计弹性层间位移和弹塑性层间位移相匹配。在设计过程中应通过调整阻尼器刚度尽可能延长消能减震结构的基本振动周期,优化阻尼器布设位置和数量,最大限度地增大阻尼器对结构的附加阻尼比贡献,达到显著降低结构地震反应的目的。
Abstract:
In this paper, several key problems were discussed and analyzed by utilizing steel hysteretic damper coupling beams in actual high-rise shear wall structure housing project to do seismic energy dissipation design. The damper stiffness, design ultimate displacement and additional damping ratio were set as basic parameters, inter-story displacement angle and story shear force and were set as the damping effect evaluation index and the influence pattern of structural seismic response were obtained by comparing the different damper layout positions and quantities. This paper verified that the changing of damper stiffness parameters could have great influence on structure vibration period and further affect the damping effect of the story shear force. Also, the various damper design ultimate displacement parameters could have significantly different overall energy dissipation capacity which performance in increase the structure additional damping ratio, especially the strong earthquakes additional damping ratio, so that the inter-story displacement angle that under strong earthquakes could be effectively controlled. Design suggestions as follows:when energy-dissipative coupling beams were utilized to do seismic energy dissipation design in high-rise shear wall structures, we should first decorate the dampers to the places which bear considerable loads then guarantee the damper’s design yield displacement and ultimate displacement respectively matching the structure elastic inter-story displacement and the elastoplastic inter-story displacement. During the design processes, the basic vibration period of the passive energy dissipation structure was supposed to be extended as much as possible by adjusting the damper stiffness and the damper layout position and quantity should be optimized to maximize the damper’s contribution to the additional damping ratio, through the above methods, the goal of reduce the structure response under the earthquake could be obtained.

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相似文献/References:

[1]孔子昂,王涛,施唯,等.采用消能连梁的高层结构整体分析与试验研究[J].地震工程与工程振动,2016,01(04):009.[doi:10.13197/j.eeev.2016.04.9.kongzy.002]
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备注/Memo

备注/Memo:
收稿日期:2017-03-28;改回日期:2017-06-17。
基金项目:地震行业科研专项经费项目(201508023);国家科技支撑计划课题(2015BAK17B02);中国地震局创新团队发展计划资助项目
作者简介:景铭(1993-)女,硕士研究生,主要从事结构抗震减震研究.E-mail:879197292@qq.com
通讯作者:戴君武(1967-)男,研究员,博士,主要从事结构抗震减震研究.E-mail:jwdai@iem.cn
更新日期/Last Update: 1900-01-01