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author:

Sun, Ying (Sun, Ying.) [1] | Zheng, Chengbin (Zheng, Chengbin.) [2] | Zhuo, Weidong (Zhuo, Weidong.) [3] | Huang, Xinyi (Huang, Xinyi.) [4] | Zheng, Lu (Zheng, Lu.) [5]

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EI PKU

Abstract:

In order to clarify the time-varying characteristics of the mechanical model parameters of plate rubber bearings, a series of compression shear tests were carried out on used highway bridge rubber bearings with the service time of 3, 7, 10 and 25 years. The influence of the bearing service time on mechanical model parameters such as shear stiffness and friction coefficient was analyzed. The test results show that the shearing stiffness degrades to different degrees with the increase of use time. The shearing stiffness has a nonlinear relationship with the use time. At the same time, there is no obvious relationship between the critical slip displacement and the use time. Moreover, the friction coefficient increases with the increasing of service time, and there is a nonlinear relationship between them. Based on the above results, a mechanical analysis model of plate rubber bearings considering the time-varying characteristics of mechanical parameters was proposed. © 2021, Editorial Office of Journal of Vibration and Shock. All right reserved.

Keyword:

Bearings (structural) Friction Nonmetallic bearings Rubber Shearing Stiffness

Community:

  • [ 1 ] [Sun, Ying]Civil Engineering College, Fuzhou University, Fuzhou; 350000, China
  • [ 2 ] [Zheng, Chengbin]Civil Engineering College, Fuzhou University, Fuzhou; 350000, China
  • [ 3 ] [Zhuo, Weidong]Civil Engineering College, Fuzhou University, Fuzhou; 350000, China
  • [ 4 ] [Huang, Xinyi]Civil Engineering College, Fuzhou University, Fuzhou; 350000, China
  • [ 5 ] [Zheng, Lu]Civil Engineering College, Fuzhou University, Fuzhou; 350000, China

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Source :

Journal of Vibration and Shock

ISSN: 1000-3835

Year: 2021

Issue: 2

Volume: 40

Page: 91-96

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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