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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)
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Ahad Javanmardi
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Hamid Mohammad-Sedighi
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Zainah Ibrahim
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Khaled Ghaedi
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Fuyun Huang
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Mieczysław Kuczma
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Keywords
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
- Verified by:
- No verification
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