Analysis of Shear Lag Effect of Box Beam under Dead Load

Qi Wang, Hongsheng Qiu


Simply supported box beam are widely used in bridge engineering, so in this paper, using the finite element analysis software ANSYS, to do the numerical anaysis of shear lag effect about a simply supported thin-walled box beam under the action of dead load ,then calculate it.And at last compared with the shear lag effect through the result which can be obtained by variational method and test.According to result anaysis and comparison of data,we should consider the infulence of shear lag when we design a structure,so through this way it will be more safe.


Finite element; Box beam; Variational method; Shear lag effect

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