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阻尼器連接的T形裝配式剪力墻抗震性能試驗(yàn)研究*
王宇亮1,2,3,崔洪軍1,張玉敏2,3,李祥2,3,龐豹2,3,何斌2,3
摘 要

(1 河北工業(yè)大學(xué)土木與交通學(xué)院, 天津 300401; 2 華北理工大學(xué)建筑工程學(xué)院, 唐山 063210;3 河北省地震工程研究中心, 唐山 063009)

[摘要]基于“強(qiáng)水平縫弱豎向縫”的設(shè)計(jì)理念,對(duì)采用阻尼器連接腹板墻及翼墻的T形裝配式剪力墻進(jìn)行了低周反復(fù)荷載試驗(yàn)。結(jié)果表明,采用阻尼器連接的T形裝配式剪力墻整體工作性能良好,其位移延性系數(shù)接近或大于3,有良好的變形性能。阻尼器平面內(nèi)工作性能良好,且能夠?qū)崿F(xiàn)屈服耗能;應(yīng)考慮阻尼器的屈服力對(duì)試件軸壓比的影響,避免造成試件在兩個(gè)方向承載力的較大差異。

[關(guān)鍵詞]T形裝配式剪力墻; 抗震性能; 阻尼器; 剛度; 位移延性系數(shù); 屈服耗能

中圖分類號(hào):TU398+.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):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

 

*國(guó)家自然科學(xué)基金項(xiàng)目(51678237)。

 

通訊作者:張玉敏,博士,教授,Email: 710765269@qq.com。

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