Experimental Study on Mechanical Properties of a New Connection Joint Between PC External Wall Panel and Steel Frame with Frictional Energy Dissipation

SUI Weining; MA Yong; YANG Haitao; WU Jinguo

doi:10.13204/j.gyjzG22011501

Volume 53 Issue 5

May 2023

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SUI Weining, MA Yong, YANG Haitao, WU Jinguo. Experimental Study on Mechanical Properties of a New Connection Joint Between PC External Wall Panel and Steel Frame with Frictional Energy Dissipation[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 109-117. doi: 10.13204/j.gyjzG22011501

Citation:

SUI Weining, MA Yong, YANG Haitao, WU Jinguo. Experimental Study on Mechanical Properties of a New Connection Joint Between PC External Wall Panel and Steel Frame with Frictional Energy Dissipation[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 109-117. doi: 10.13204/j.gyjzG22011501

Citation:

SUI Weining, MA Yong, YANG Haitao, WU Jinguo. Experimental Study on Mechanical Properties of a New Connection Joint Between PC External Wall Panel and Steel Frame with Frictional Energy Dissipation[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 109-117. doi: 10.13204/j.gyjzG22011501

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Experimental Study on Mechanical Properties of a New Connection Joint Between PC External Wall Panel and Steel Frame with Frictional Energy Dissipation

doi: 10.13204/j.gyjzG22011501

School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Received Date: 2022-01-15

Abstract

Abstract

The effects of the aluminum friction plate opening form and bolt preload on the mechanical properties of the new friction energy dissipation connection joints were studied to provide reference for the design and engineering application of PC (precast concrete) external wall panel joints. To obtain the mechanical properties of the new friction energy dissipation connection joints between PC external wall panels and frames, four sets of typical test specimens were selected for the proposed static loading test; during the loading test, it was observed that the long round-hole aluminum friction plate slid with the increase of the horizontal displacement of the central steel plate. The friction plate slides with the increase of the horizontal displacement of the central steel plate, and no obvious sliding phenomenon for the round-hole aluminium friction plate; after the loading, obvious wear was observed on the surface of the aluminium friction plate, and the long round-hole aluminium friction plate was extruded by 4.5 mm relatively, while the relative position of the round-hole aluminium friction plate remains unchanged; for the joint with the round-hole aluminium friction plate, with the increase of the preload force, the critical friction coefficient, and the relative slip at the joint decreased. The new type of friction energy dissipation connection joint with the single round-hole aluminum friction plate had better comprehensive performance. Although the friction coefficient and the average friction coefficient were not constant during the loading process, the overall energy dissipation performance did not deteriorate, indicating that the type of friction dissipation joint has good energy dissipation performance.
- steel frame,
- precast concrete external wall,
- new friction energy dissipation connection joint,
- energy dissipation performance,
- aluminum friction plate

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References(24)

References

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