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阻尼器连接的T形装配式剪力墙抗震性能试验研究*
王宇亮1,2,3,崔洪军1,张玉敏2,3,李祥2,3,庞豹2,3,何斌2,3
摘 要

(1 河北工业大学土木与交通学院, 天津 300401; 2 华北理工大学建筑工程学院, 唐山 063210;3 河北省地震工程研究中心, 唐山 063009)

[摘要]基于“强水平缝弱竖向缝”的设计理念,对采用阻尼器连接腹板墙及翼墙的T形装配式剪力墙进行了低周反复荷载试验。结果表明,采用阻尼器连接的T形装配式剪力墙整体工作性能良好,其位移延性系数接近或大于3,有良好的变形性能。阻尼器平面内工作性能良好,且能够实现屈服耗能;应考虑阻尼器的屈服力对试件轴压比的影响,避免造成试件在两个方向承载力的较大差异。

[关键词]T形装配式剪力墙; 抗震性能; 阻尼器; 刚度; 位移延性系数; 屈服耗能

中图分类号:TU398+.2文献标识码:A文章编号:1002-848X(2020)09-0079-07

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Experimental study on seismic behavior of T-shaped prefabricated shear wall connected with dampers

WANG Yuliang1,2,3, CUI Hongjun1, ZHANG Yumin2,3, LI Xiang2,3, PANG Bao2,3, HE Bin2,3

(1 School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China; 2 College of Civil and Architectural Engineering, North China University of Science and Technology, Tangshan 063210, China; 3 Earthquake Engineering Research Center of Hebei Province, Tangshan 063009, China)

Abstract:Based on the design concept of “strong horizontal joints and weak vertical joints”, a low cyclic repeated load test was carried out on the T-shaped prefabricated shear wall with damper connecting web wall and flange wall. The results show that the T-shaped prefabricated shear wall connected with dampers has good performance, its displacement ductility coefficient is no less than 3, and it has good deformation performance. The damper has good performance in plane and can realize yield energy dissipation. The influence of the yield force of dampers on the axial compression ratio of specimens should be considered to avoid the great difference in the bearing capacity of specimens in two directions.

Keywords:T-shaped prefabricated shear wall; seismic performance; damper; stiffness; displacement ductility coefficient; yield energy dissipation

 

*国家自然科学基金项目(51678237)。

 

通讯作者:张玉敏,博士,教授,Email: 710765269@qq.com。

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