Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.].
Nowadays, development of cable-stayed bridges is increasing around the world. The mitigation of seismic forces to these bridges are obligatory to prevent damages or failure of its structural members. Herein, this paper aimed to determine the near-fault ground motion effect on an existing cablestayed...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Institute of Research Management and Innovation and UiTM Press
2018
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| Online Access: | https://ir.uitm.edu.my/id/eprint/21286/ |
| _version_ | 1848805209495568384 |
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| author | Javanmardi, Ahad Ibrahim, Zainab Gheadi, Khaled Gordan, Meisam Jameel, Mohammed Hanif, Usman |
| author_facet | Javanmardi, Ahad Ibrahim, Zainab Gheadi, Khaled Gordan, Meisam Jameel, Mohammed Hanif, Usman |
| author_sort | Javanmardi, Ahad |
| building | UiTM Institutional Repository |
| collection | Online Access |
| description | Nowadays, development of cable-stayed bridges is increasing around the world. The mitigation of seismic forces to these bridges are obligatory to prevent damages or failure of its structural members. Herein, this paper aimed to determine the near-fault ground motion effect on an existing cablestayed
bridge equipped with lead-rubber bearing. In this context, Shipshaw cable-stayed bridge is selected as the case study. The selected bridge has a span of 183.2 m composite deck and 43 m height of steel tower. 2D finite element models of the non-isolated and base isolated bridges are modelled
by using SAP2000. Three different near-fault ground motions which are Tabas 1978, Cape Mendocino 1992 and Kobe 1995 were subjected to the 2D FEM models in order to determine the seismic behaviour of the bridge. The near-fault ground motions were applied to the bridge in the longitudinal direction. Nonlinear dynamic analysis was performed to determine the dynamic responses of the bridge. Comparison of dynamic response of nonisolated and base isolated bridge under three different near-fault ground motions were conducted. The results obtained from numerical analyses of the bridge showed that the isolation system lengthened the period of bridge and minimised deck isplacement, base shear and base moment of the bridge. It is concluded that the isolation system significantly reduced
the destructive effects of near-fault ground motions on the bridge. |
| first_indexed | 2025-11-14T22:07:24Z |
| format | Article |
| id | uitm-21286 |
| institution | Universiti Teknologi MARA |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T22:07:24Z |
| publishDate | 2018 |
| publisher | Institute of Research Management and Innovation and UiTM Press |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | uitm-212862020-02-07T03:12:31Z https://ir.uitm.edu.my/id/eprint/21286/ Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. srj Javanmardi, Ahad Ibrahim, Zainab Gheadi, Khaled Gordan, Meisam Jameel, Mohammed Hanif, Usman Dynamic and structural geology Earthquake hazard analysis Nowadays, development of cable-stayed bridges is increasing around the world. The mitigation of seismic forces to these bridges are obligatory to prevent damages or failure of its structural members. Herein, this paper aimed to determine the near-fault ground motion effect on an existing cablestayed bridge equipped with lead-rubber bearing. In this context, Shipshaw cable-stayed bridge is selected as the case study. The selected bridge has a span of 183.2 m composite deck and 43 m height of steel tower. 2D finite element models of the non-isolated and base isolated bridges are modelled by using SAP2000. Three different near-fault ground motions which are Tabas 1978, Cape Mendocino 1992 and Kobe 1995 were subjected to the 2D FEM models in order to determine the seismic behaviour of the bridge. The near-fault ground motions were applied to the bridge in the longitudinal direction. Nonlinear dynamic analysis was performed to determine the dynamic responses of the bridge. Comparison of dynamic response of nonisolated and base isolated bridge under three different near-fault ground motions were conducted. The results obtained from numerical analyses of the bridge showed that the isolation system lengthened the period of bridge and minimised deck isplacement, base shear and base moment of the bridge. It is concluded that the isolation system significantly reduced the destructive effects of near-fault ground motions on the bridge. Institute of Research Management and Innovation and UiTM Press 2018 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/21286/1/AJ_AHAD%20JAVANMARDI%20SRJ%2018.pdf Javanmardi, Ahad and Ibrahim, Zainab and Gheadi, Khaled and Gordan, Meisam and Jameel, Mohammed and Hanif, Usman (2018) Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. (2018) Scientific Research Journal <https://ir.uitm.edu.my/view/publication/Scientific_Research_Journal.html>, 15 (1). pp. 1-14. ISSN 1675-7009 https://srj.uitm.edu.my/ |
| spellingShingle | Dynamic and structural geology Earthquake hazard analysis Javanmardi, Ahad Ibrahim, Zainab Gheadi, Khaled Gordan, Meisam Jameel, Mohammed Hanif, Usman Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title | Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title_full | Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title_fullStr | Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title_full_unstemmed | Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title_short | Seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / Ahad Javanmardi … [et al.]. |
| title_sort | seismic response of a base isolated cable-stayed bridge under near-fault ground motion excitations / ahad javanmardi … [et al.]. |
| topic | Dynamic and structural geology Earthquake hazard analysis |
| url | https://ir.uitm.edu.my/id/eprint/21286/ https://ir.uitm.edu.my/id/eprint/21286/ |