Stduy on Mechanical Properties of Steel Frame Structures with Rotational Friction Damper

ZHAO Zhiyuan; WANG Yan; ZHANG Haibin

doi:10.13204/j.gyjzG21072206

Volume 53 Issue 6

Jun. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(6): 138-147

ZHAO Zhiyuan, WANG Yan, ZHANG Haibin. Stduy on Mechanical Properties of Steel Frame Structures with Rotational Friction Damper[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 138-147. doi: 10.13204/j.gyjzG21072206

Citation:

ZHAO Zhiyuan, WANG Yan, ZHANG Haibin. Stduy on Mechanical Properties of Steel Frame Structures with Rotational Friction Damper[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 138-147. doi: 10.13204/j.gyjzG21072206

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Stduy on Mechanical Properties of Steel Frame Structures with Rotational Friction Damper

doi: 10.13204/j.gyjzG21072206

1. School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China;
2. Shandong Hi-Speed Laigang Green Construction Development Co., Ltd., Qingdao 266000, China

Received Date: 2021-07-22
Available Online: 2023-08-18

Abstract

Abstract

In order to study the seismic performance of steel frame with rotational friction damper parameters, the finite element calculation model of rotational friction damper was established by using ABAQUS. The seismic mechanism of the structure was analyzed, and the restoring force model of steel frame with rotational friction damper was proposed. The stress distribution and failure mode of steel frame structures with rotational friction damper under monotonic and quasi-static load were studied, as well as the influence of high-strength bolt preload and friction coefficient of friction plate on the seismic performance of the structure. The results showed that the initial stiffness and bearing capacity of the steel frame with rotational friction damper were significantly improved compared with the ordinary steel frame. When the damper reached the maximum rotational range, it worked with the structure and provided a certain stiffness; by increasing the preload of high-strength bolts and friction coefficient of friction plate, the initial stiffness of the structure could be improved, but there was no obvious effect on the ultimate load and sliding stiffness of the structure; the hysteretic curve of the steel frame model with rotational friction damper was full and had good ductility and energy dissipation capacity.
- rotational friction damper,
- steel frame,
- finite element analysis,
- seismic performance

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References

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