Out-of-Plane Stability of Frame Hollow Brick Infilled Walls with Horizontal Slip Layers

SU Qiwang; YANG Han; LI Zhili; WANG Zisong; WANG Zhuhang

doi:10.3969/j.issn.0258-2724.20210351

Volume 58 Issue 2

Apr. 2023

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Journal of Southwest Jiaotong University > 2023 > 58(2): 438-445.

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SU Qiwang, YANG Han, LI Zhili, WANG Zisong, WANG Zhuhang. Out-of-Plane Stability of Frame Hollow Brick Infilled Walls with Horizontal Slip Layers[J]. Journal of Southwest Jiaotong University, 2023, 58(2): 438-445. doi: 10.3969/j.issn.0258-2724.20210351

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Out-of-Plane Stability of Frame Hollow Brick Infilled Walls with Horizontal Slip Layers

doi: 10.3969/j.issn.0258-2724.20210351

School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 29 Apr 2021
Rev Recd Date: 24 Jul 2021

Available Online: 16 Nov 2022

Publish Date: 06 Oct 2021

Abstract

Abstract

The horizontal slip layer in the hollow brick infilled wall can weaken the inclined bracing effect of the wall and effectively reduce the damage degree of the hollow brick infilled wall. In order to understand the out-of-plane stability of the frame hollow brick infilled wall with horizontal slip layers, the out-of-plane failure mode of the wall was analyzed. Based on the in-plane quasi-static test of the frame hollow brick infilled wall with horizontal slip layers, the finite element models of the hollow brick infilled wall with and without horizontal slip layers were established, and the out-of-plane numerical simulation analysis was carried out. Results show that the horizontal slip layer will reduce the integrity of the wall and weaken the constraining effect of the surrounding frame on the wall. Compared with the ordinary infilled wall without slip layer, the failure degree of the infilled wall with horizontal slip layer is increased; specifically, the out-of-plane displacement and stiffness degradation rate is increased, the out-of-plane cracking load is reduced by 43.1%, and the peak load is reduced by 22.2%. Under the action of multiple and rare earthquakes with different seismic fortification intensities, the out-of-plane bearing capacity of the infilled wall with horizontal slip layers is greater than that calculated according to the code, which meets the code requirements.
- hollow brick infilled wall,
- horizontal slip layer,
- numerical simulation,
- the out-of-plane stability

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References(16)

References

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