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author:

Briseghella, B. (Briseghella, B..) [1] (Scholars:BRUNO BRISEGHLLA) | Fu, R. (Fu, R..) [2] | Xue, J. (Xue, J..) [3] (Scholars:薛俊青) | Aloisio, A. (Aloisio, A..) [4] | Nuti, C. (Nuti, C..) [5]

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Abstract:

Integral abutment bridges (IABs) could fundamentally resolve the durability problems of expansion joints. The concrete piles beneath the abutments are the most vulnerable components in IABs. To improve the seismic performance of IABs, the pile with pre-hole filled by damping materials (called pre-hole seismic isolation system) has been proposed. In this paper, the shaking table test of the pre-hole seismic isolation system under sine wave load is simulated by using the finite element software ABAQUS/Explicit. The influence of the mass on the pile top and the pre-hole dimension on the dynamic performance of the pre-hole seismic isolation system was analysed. It can be concluded that with an increase in the mass or pre-hole dimension, the fundamental frequency of the pile-soil system decreased. With an increase in the input wave’s frequency, the pile with a pre-hole seismic isolation system could have a better seismic performance by reducing the mass or pre-hole dimension. Copyright © IABSE Symposium Istanbul 2023: Long Span Bridges - Proceeding Book. All rights reserved.

Keyword:

dynamic soil-pile interaction finite element model fundamental frequency integral abutment bridge mass on pile top pile with pre-hole seismic isolation system pre-hole dimension

Community:

  • [ 1 ] [Briseghella B.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Fu R.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 3 ] [Xue J.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 4 ] [Aloisio A.]Civil and Environmental Engineering Department, Università degli Studi dell’Aquila, L’Aquila, Italy
  • [ 5 ] [Nuti C.]Department of Architecture, Roma Tre University, Rome, Italy

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Year: 2023

Page: 101-109

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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