Experimental Research on Mechanical Properties of Friction-Based Energy Dissipation Device for PC External Wallboards by Bolt Preload

SUI Weining; MA Yong; DONG Zheng; WANG Xu; YANG Haitao; XIA Dadong

doi:10.3724/j.gyjzG23030801

Volume 54 Issue 4

Apr. 2024

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SUI Weining, MA Yong, DONG Zheng, WANG Xu, YANG Haitao, XIA Dadong. Experimental Research on Mechanical Properties of Friction-Based Energy Dissipation Device for PC External Wallboards by Bolt Preload[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(4): 54-63. doi: 10.3724/j.gyjzG23030801

Citation:

SUI Weining, MA Yong, DONG Zheng, WANG Xu, YANG Haitao, XIA Dadong. Experimental Research on Mechanical Properties of Friction-Based Energy Dissipation Device for PC External Wallboards by Bolt Preload[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(4): 54-63. doi: 10.3724/j.gyjzG23030801

Citation:

SUI Weining, MA Yong, DONG Zheng, WANG Xu, YANG Haitao, XIA Dadong. Experimental Research on Mechanical Properties of Friction-Based Energy Dissipation Device for PC External Wallboards by Bolt Preload[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(4): 54-63. doi: 10.3724/j.gyjzG23030801

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Experimental Research on Mechanical Properties of Friction-Based Energy Dissipation Device for PC External Wallboards by Bolt Preload

doi: 10.3724/j.gyjzG23030801

1. School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China;
2. China State Constuction Railway Investment & Engineering Group Co., Ltd., Beijing 102600, China

Received Date: 2023-03-08
Available Online: 2024-05-29

Abstract

Abstract

A friction-based energy dissipation device consisting of a central steel plate, a pair of clamping angles and a single circular hole friction plate was designed. The device was applied to the upper joint of a 4-point connection lifting structure between a precast concrete wall panel and a steel frame, A6061-T6 aluminium alloy plates were used as friction plate material. Four sets of specimens were selected for quasi-static loading test, and the bolt preloads of specimens were 17.5, 32.9, 52.8, 71.8 kN, respectively, the effects of bolt preload on the hysteresis performance, initial stiffness, critical sliding friction, stability and energy dissipation capacity of the friction energy dissipation device were investigated; the results showed that the bolt preload force had a decisive role in the mechanical properties of the friction energy dissipation device; after the test loading, the bolt hole of the friction plate of specimen L-B1 had a compression deformation of 20 mm to one side due to extrusion deformation; compared with specimen L-B1, the initial stiffness values of specimens L-B2~L-B4 varied within 10%, therefore, the friction energy dissipation device had stable mechanical propertied. Compared with specimen L-B1, with the increase of bolt preload, the average peak sliding friction of specimens L-B2 to L-B4 increased by 31%, 39% and 55%, the critical sliding friction increased by 32%, 40% and 52%, the inter-storey drift angle increased by 99%, 106% and 110%, and the energy dissipation capacity decreased by 25%, 29% and 39%.
- friction-based energy dissipation device,
- A6061-T6 aluminium alloy plate,
- bolt preload,
- energyconsuming capacity,
- stability

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References(34)

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