Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/98815
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Type: Journal article
Title: An efficient modeling approach based on a rigorous cross-sectional analysis for analyzing box girder bridge superstructures
Author: Kashefi, K.
Sheikh, A.
Mohamed Ali, M.
Griffith, M.
Citation: Advances in Structural Engineering, 2016; 19(3):513-528
Publisher: Multi-Science Publishing
Issue Date: 2016
ISSN: 1369-4332
2048-4011
Statement of
Responsibility: 
Kiana Kashefi, AH Sheikh, MS Mohamed Ali and MC Griffith
Abstract: A novel analysis technique is introduced for efficient modelling of box girder bridge decks. The general three-dimensional equations used to accurately define the deformation of these complex beam-like slender structures are decoupled into a two-dimensional cross-sectional problem and a one-dimensional beam problem through decomposition of the three-dimensional strain field. The two-dimensional cross-sectional problem is solved by a two-dimensional finite element analysis considering in-plane as well as out-of-plane warping displacements of the beam section. This gives an accurate constitutive relationship of the one-dimensional beam problem without making any major assumptions as is often done in usual beam theories. The one-dimensional beam problem is solved by a one-dimensional beam finite analysis and the results obtained are used to recover three-dimensional stress, strain and displacement fields accurately. Numerical examples of box girder bridge deck systems having thin-walled sections are solved by the proposed approach to show its performance.
Keywords: box girder; bridge deck; finite element analysis; warping
Rights: © The Author(s) 2016
RMID: 0030045404
DOI: 10.1177/1369433216630121
Appears in Collections:Civil and Environmental Engineering publications

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