Experimental Study on Cyclic Loading of Asymmetric Friction Joints of Steel-Concrete Composite Beams

YING Hui; PAN Zhihong; WANG Siquan; YAO Kai; WANG Shugang

doi:10.13204/j.gyjzG21043002

Volume 53 Issue 5

May 2023

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YING Hui, PAN Zhihong, WANG Siquan, YAO Kai, WANG Shugang. Experimental Study on Cyclic Loading of Asymmetric Friction Joints of Steel-Concrete Composite Beams[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 41-47,6. doi: 10.13204/j.gyjzG21043002

Citation:

YING Hui, PAN Zhihong, WANG Siquan, YAO Kai, WANG Shugang. Experimental Study on Cyclic Loading of Asymmetric Friction Joints of Steel-Concrete Composite Beams[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(5): 41-47,6. doi: 10.13204/j.gyjzG21043002

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Experimental Study on Cyclic Loading of Asymmetric Friction Joints of Steel-Concrete Composite Beams

doi: 10.13204/j.gyjzG21043002

Department of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang 212100, China

Received Date: 2021-04-30

Abstract

Abstract

In order to study the seismic behavior of steel-concrete composite asymmetric friction connection (SCCAFC), cyclic loading tests of seven groups of SCCAFC were carried out considering bolt diameter, bolt preload, friction gasket material. The test results showed that the hysteresis curves of each group of specimens were full, the double slip platform was obvious, and the expected asymmetric friction energy dissipation characteristics were achieved. With the increase of bolt preload and bolt diameter, the bearing capacity, stiffness and energy consumption of the specimens would be significantly increased. The stiffness degradation of specimens was obvious in the early stage of loading and tends to be gentle in the later stage. The energy dissipation coefficients E_d of each group were distributed between 1.52 and 2.55. The equivalent viscous damping ratio h_e under peak load of members was between 0.242 and 0.406. Among them, the bearing capacity and energy dissipation capacity of PSC-6 were the best, the effect of PSC-7 was the worst, and the data obtained by PSC-2 and PSC-6 had little difference. Wear-resistant steel with low cost could be used in actual project.
- steel-concrete composite beam,
- asymmetric friction connections,
- cyclic loading,
- seismic performance

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References(10)

References

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