Fully coupled fatigue damage analysis of welded steel bridge member under traffic loading
Zhou, Taiquan, Hua, Yuan, & Chan, Tommy H.T. (2007) Fully coupled fatigue damage analysis of welded steel bridge member under traffic loading. Key Engineering Materials, 348-349, pp. 761-764.
The finite element analysis fully coupled fatigue damage evolution is implemented on the user subroutine UMAT of the finite element software ABAQUS. The fully coupled method
developed with damage mechanics and the finite element analysis is performed on calculation of fatigue damage accumulation of the critical welded member in the Tsing Ma Bridge. The calculated result shows that the fatigue damage in the critical welded member is accumulated in the region of toe of welding. The value of faitgue life calculated by the fully coupled method is smaller than that by the uncoupled method, which suggests that there exists interaction between the fatigue damage evolution and the structural response. The linear Miner's Law is widely used however conservative for the evaluation of fatigue life of bridge on service. The above results provide feasible method for accurate evaluation of fatigue damage in bridge components based on the hot spot stress analysis and the damage mechanics theory.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see hypertext link) or contact the author.|
|Keywords:||welded members, steel bridges, finite element, damage mechanics, fully coupled, fatigue damage analysis, ABAQUS software|
|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 Urban Development
|Copyright Owner:||Copyright 2007 Trans Tech Publications|
|Deposited On:||27 Feb 2008|
|Last Modified:||29 Feb 2012 23:53|
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