Fatigue Damage Assessment Of Steel Bridges Using Strain Measurement

Chan, Tommy H.T., Li, Z.X., Thambiratnam, David P., & Tan, Andy C. C. (2007) Fatigue Damage Assessment Of Steel Bridges Using Strain Measurement. In Dewobroto, Wiryanto, Hardjasaputra, Harianto, Widjajakusuma, Jack, Sihotang, Fransiscus Mintar F., & Aventus, Manlian R. (Eds.) 1st International Conference of European Asian Civil Engineering Forum (EACEF), 26-27 September 2007, Jakarta, Indonesia.


The methodology and strategy for evaluating fatigue damage and possible critical locations of local fatigue on bridge-deck sections are developed, using the real-time monitoring data and the fatigue damage model based on continuous damage mechanics. A local damage model for evaluating the fatigue damage of bridge-deck sections is proposed, which allows fatigue damage to be considered at the continuum scale as a deteriorating process with its physical mechanism such as fatigue crack initiation and growth. Therefore the fatigue damage variable associates not only cycles of stress range on the accumulated process of fatigue, but also relates directly to the state of deterioration and the mechanics behavior in supporting the net stress. The effective stress range for the variable-amplitude stress spectrum due to traffic load is used to evaluate the fatigue strength of the bridge-deck section at different locations of strain gauges, by which the possible location of critical fatigue failure can be primarily determined. The method has been successfully applied to the Fatigue Damage evaluation for a suspension bridge under Typhoons and Overload Effect.

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ID Code: 12658
Item Type: Conference Paper
Refereed: Yes
Additional Information: For more information, please refer to the conference’s website (see hypertext link) or contact the author.
Additional URLs:
Keywords: Structural health monitoring, Fatigue damage, Life prediction, Bridge, deck section, Representative block of cycles, Continuum damage mechanics
ISBN: 9789791053013
Subjects: 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 Engineering Systems
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2007 Universitas Pelita Harapan
Deposited On: 26 Feb 2008 00:00
Last Modified: 10 Aug 2011 15:36

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