Pounding mitigation of a short-span cable-stayed bridge using a new hybrid passive control system - Publication - Bridge of Knowledge

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Pounding mitigation of a short-span cable-stayed bridge using a new hybrid passive control system

Abstract

This paper investigates the effectiveness of a new hybrid passive control system on the seismic response of an existing steel cable-stayed bridge considering the pounding effect. The proposed hybrid passive control system comprises a seismic isolator and a metallic damper. The bridge is located in a high seismic zone and has suffered several damages including the earthquake-induced pounding damage during the 1988 earthquake. Thereby, the proposed hybrid passive control system was investigated for seismic retrofitting of the bridge to mitigate the seismic damages due to future earthquakes. The hybrid control system was placed at the bridge ends and the tower–deck connection. A detailed three-dimensional finite element model of the bridge was created and validated with the earlier experimental results. A comparative analysis was performed through a series of nonlinear dynamic time-history analyses on the bridge equipped with the proposed and other control systems. The results showed that the hybrid control system reduced the bridge’s longitudinal seismic displacement, mitigated the pounding of the bridge with abutments and improved the overall seismic performance of the bridge.

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Authors (7)

  • Photo of Master of Science Alireza Tabrizikahou

    Alireza Tabrizikahou Master of Science

  • Photo of  Ahad Javanmardi

    Ahad Javanmardi

  • Photo of  Hamid Mohammad-Sedighi

    Hamid Mohammad-Sedighi

  • Photo of  Zainah Ibrahim

    Zainah Ibrahim

  • Photo of  Khaled Ghaedi

    Khaled Ghaedi

  • Photo of  Fuyun Huang

    Fuyun Huang

  • Photo of  Mieczysław Kuczma

    Mieczysław Kuczma

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Details

Category:
Magazine publication
Type:
Magazine publication
Published in:
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS no. 134, pages 625 - 636,
ISSN: 0955-7997
ISSN:
09557997
Publication year:
2022
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.enganabound.2021.10.020
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