Seismic Performance of MRSF Structures Damped with Steel Slit Shear Panels

被引：5
|
作者：
He, Liusheng [1 ,2 ]
Sun, Xiaobo [1 ,2 ]
Bu, Haifeng [1 ,2 ]
Tang, Zhenyun [3 ]
机构：
[1] Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai, Peoples R China
[2] Tongji Univ, Dept Disaster Mitigat Struct, Shanghai, Peoples R China
[3] Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS | 2022年 / 22卷 / 03N04期
基金：
中国国家自然科学基金;
关键词：
Steel slit shear panel; hysteresis; pinching; out-of-plane buckling; macro model; BEHAVIOR; WALL; FRAMES;
D O I：
10.1142/S0219455422400132
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The steel slit shear panel (SP), made by cutting slits in a monolithic steel plate, dissipates seismic energy through the flexural behavior of individual plate links separated by slits. To investigate the influence of different link designs and steel properties, three scaled SP specimens are designed and tested under quasi-static cyclic loading. Test results show that plate links with a larger width-thickness ratio buckle earlier and larger, and associated pinching in hysteresis is more serious. Significant strain hardening of low yield steel promotes plump shear hysteresis even with obvious out-of-plane buckling deformation. To investigate the effect of different SPs on the overall structural performance, moment resisting steel frame (MRSF) structures installed with SPs are built. Time-history analysis results show that the installation of SPs reduces the story displacement responses but increases the floor accelerations. The low yield SP works best in reducing both the maximum and residual inter-story drift.
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收藏
页数：17
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