Experimental Research on Seismic Performance of Replaceable Steel Energy-Dissipating Joints for Prefabricated Shear Walls

PAN Qinfeng; ZHANG Pengqi; YAN Guiyun; YU Yongsheng; XIAO Sanxia; ZHANG Xiaoxi

doi:10.3724/j.gyjzG23012909

Volume 55 Issue 6

Jun. 2025

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PAN Qinfeng, ZHANG Pengqi, YAN Guiyun, YU Yongsheng, XIAO Sanxia, ZHANG Xiaoxi. Experimental Research on Seismic Performance of Replaceable Steel Energy-Dissipating Joints for Prefabricated Shear Walls[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(6): 219-227. doi: 10.3724/j.gyjzG23012909

Citation:

PAN Qinfeng, ZHANG Pengqi, YAN Guiyun, YU Yongsheng, XIAO Sanxia, ZHANG Xiaoxi. Experimental Research on Seismic Performance of Replaceable Steel Energy-Dissipating Joints for Prefabricated Shear Walls[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(6): 219-227. doi: 10.3724/j.gyjzG23012909

Citation:

PAN Qinfeng, ZHANG Pengqi, YAN Guiyun, YU Yongsheng, XIAO Sanxia, ZHANG Xiaoxi. Experimental Research on Seismic Performance of Replaceable Steel Energy-Dissipating Joints for Prefabricated Shear Walls[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(6): 219-227. doi: 10.3724/j.gyjzG23012909

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Experimental Research on Seismic Performance of Replaceable Steel Energy-Dissipating Joints for Prefabricated Shear Walls

doi: 10.3724/j.gyjzG23012909

1. Fujian Provincial Key Laboratory of Advanced Technology and Information in Civil Engineering, School of Civil Engineering, Fujian University of Technology, Fuzhou 350108, China;
2. Engineering School of Fujian Jiangxia University, Fuzhou 350108, China;
3. Yongfu Construction Engineering Group Corp., Ltd., Fuzhou 350007, China

Received Date: 2023-01-29

Abstract

Abstract

In order to realize the connection between the prefabricated shear wall and the foundation while ensuring structural reparability after earthquake-induced damage， a replaceable steel energy-dissipator joint was proposed. In order to explore the seismic performance and post-earthquake repairability of the joint， quasi-static tests were conducted on replaceable steel energy-dissipating joints with two connection forms. The tests included both initial loading and reloading after repair of earthquake-induced damage. The results showed that the ultimate failure modes of the replaceable steel energy-dissipating joints with vertical slits or horizontal slits were both caused by the failure of the slotted shear plates in the joints. In addition， the two types of replaceable steel energy-dissipating joints exhibited excellent hysteretic performance and energy-dissipation capacity. In the two types of connection joints， the replaceable steel energy-dissipating joints with vertical slotted shear plates exhibited better deformation and energy-dissipation capacity； the connection joints with horizontal slotted shear plates demondtrated higher bearing capacity， but the ductility and energy-dissipation capacity were slightly reduced. Moreover， the two types of connection joints exhibited comparable seismic performance after post-earthquake repair to their initial loading conditions， therefore， it was verified that the joints realized the structural reparability after earthquake-induced damage.
- prefabricated shear wall,
- replaceable steel energy-dissipating joint,
- quasi-static test,
- seismic performance,
- post-earthquake reparability

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References(16)

References

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