Seismic response characteristics of a base isolated cable-stayed bridge under moderate and strong ground motions

• Autorzy: Javanmardi A. , Ibrahim Z. , Ghaedi K. , Jameel M. , Khatibi H. , Suhatril M.

Identyfikatory

DOI

10.1016/j.acme.2016.12.002

• Języki publikacji: EN

Abstrakty

EN

In this study, the seismic behavior of an existing steel cable-stayed bridge equipped with lead-rubber bearing subjected to moderate and strong earthquakes is investigated. The bridge is located at high seismic zone and experienced an earthquake in 1988 which caused the failure of one of its anchorage plate of the support. Herein, the bridge was modeled in three dimensions and the base isolators implemented at the abutments and deck-tower connection. The bridge seismic responses were evaluated through nonlinear dynamic time-history analysis. The comparative analysis confirmed that the base isolation system was an effective tool in reducing seismic force transmit from substructure to superstructure. Furthermore, the overall seismic performance of cable-stayed bridge significantly enhanced in longitudinal and transverse directions. However, it is observed that the axial force of the tower in substructure increased due to the isolation system induced torsional deformation to the superstructure under transverse seismic loads.

Słowa kluczowe

EN

cable-stayed bridge; seismic performance; nonlinear dynamic analysis; isolation system; lead-rubber bearing

PL

most wiszący; nieliniowa analiza dynamiczna; system izolacji; łożysko gumowe

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2017
• Tom: Vol. 17, no. 2
• Strony: 419--432
• Opis fizyczny: Bibliogr. 36 poz., rys., tab., wykr.

Twórcy

autor

Javanmardi A.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Ibrahim Z.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Ghaedi K.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Jameel M.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Khatibi H.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Suhatril M.

• Civil Engineering Department, University of Malaya, Kuala Lumpur 50603, Malaysia

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)