Research on seismic performance of embedded frame structure with in-filled rocking wall

doi:10.16265/j.cnki.issn1003-3033.2022.S2.0044

Abstract

Abstract:

In order to study the seismic behavior of the RC frame with an in-filled rocking wall, a 4-story RC frame was taken as an example. The RC frame and the model of the embedded frame structure with an in-filled rocking wall were established by the finite element analysis software. Seismic response and performance of structures were analyzed using time-procedure analysis and Pushover analysis. Response spectrum analysis was used to study the influence of an in-filled rocking wall on the overall stiffness, and the influence on floor response was also analyzed by the same way. The action mechanism of in-filled rocking wall strength on structural deformation and influence on energy dissipation and damage distribution of structures were analyzed by Pushover. The seismic damage evolution process of the RC frame with an in-filled rocking wall was revealed from the pseudo-static. The analysis results show that the in-filled rocking wall can decrease seismic response. The inter-story drift becomes more uniformly distributed, and the in-filled rocking wall prevents the story failure behavior. The in-filled rocking wall significantly improves the strength and ductility of the entire structure but cannot share the base shear force of the frame.

Key words: reinforced concrete (RC) frame structure, embedded frame structure with in-filled rocking wall, failure mode, seismic behavior, Pushover

SUN Kui, GUO Changfeng, LIU Hongyu. Research on seismic performance of embedded frame structure with in-filled rocking wall[J]. China Safety Science Journal, 2022, 32(S2): 153-159.

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楼层	地震动名称
	El-Centro		Taft
	模型1	模型2	模型1	模型2
1	1/220	1/435	1/346	1/581
2	1/206	2/907	1/320	1/614
3	1/272	1/486	1/400	1/668
4	1/476	1/534	1/651	1/739

性能水平	内嵌式摇摆墙承担结构总基底剪力占比/%
使用良好	32.8
使用无害	32.3
人身安全	33.0