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- Title
Analytic Method for Shear Lag Effect of Box Girders Under Concentrated Bending Moments.
- Authors
LIN Peng-zhen; YANG Zi-jiang; SUN Li-xiang; JI Wei
- Abstract
For simply supported box girders under concentrated bending moments, general analytic solutions to shear lag effect were presented based on the energy variational principle. Formulae for shear lag effect were given for several typical cases of one bending moment acting on the girder span interior, one end, or both ends. For an example box girder, shear lag effect was calculated respectively in the 3 cases of concentrated bending moment applied. The analytic results were compared with those of the finite shell element method. It's shown that the presented analytic method has high accuracy in the calculation of box girder shear lag effect in comparison with the finite element method. Where there exists a concentrated bending moment applied on a simply supported box girder, there occurs sharp shear lag effect.
- Publication
Applied Mathematics & Mechanics (1000-0887), 2014, Vol 35, Issue 7, p750
- ISSN
1000-0887
- Publication type
Article
- DOI
10.3879/j.issn.1000-0887.2014.07.004