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Assessment of Fatigue Damage in the Tsing Ma Bridge under Traffic Loadings by Finite Element Method

Chan, Tommy H.T., Guo, L. , & Li, Z.X. (2001) Assessment of Fatigue Damage in the Tsing Ma Bridge under Traffic Loadings by Finite Element Method. In Das, P.C., Frangopol, D.M., & Nowak, A.S. (Eds.) Current and Future Trends in Bridge Design, Construction and Maintenance, 25-26 April, Hong Kong.

Abstract

Steel bridges are vulnerable to fatigue damage caused by traffic loadings. The Tsing Ma Bridge (TMB) in Hong Kong, of 2.2 km total length and a main span of 1377 m, is the steel suspension bridge in the world carrying both road and rail traffic. This paper is to study the fatigue damage of the TMB using the Finite Element Method. An effective finite clement (FE) model of TMB embodying the properties of almost all the structural members was developed. The verification of the model was carried out with the help of online data. The dynamic response of the TMB under traffic loading was analyzed using the developed FE model. Considering the bridge fatigue damage is local damage, a local damage model is applied in the FE model of the TMB with possible fatigue damage degree and its evolution equation. As the TMB is at its virgin state and the traffic volume on the bridge is relatively light, an update ratio of the traffic volume is also considered in the proposed FE model. With the established FE model, the future response of the Bridge could be simulated and, the damage degree in the Bridge under traffic loading could be assessed too. All of these results provide a basis of estimating the remaining service life of the TMB.

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ID Code: 12862
Item Type: Conference Paper
Additional Information: For more information, please refer to the publisher's website (see hypertext link) or contact the author.
Additional URLs:
ISBN: 0727730916
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2001 American Society of Civil Engineers
Deposited On: 04 Mar 2008
Last Modified: 11 Aug 2011 01:36

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