EFFECTIVE FLANGE WIDTH OF SIMPLY SUPPORTED BOX GIRDER UNDER UNIFORM LOAD |
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| Authors: | Xuxi Qin Hanbing Liu |
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| Institution: | 1College of Mechanical Science and Engineering;Jilin University;Changchun 130025;China;2Transportation and traffic College;China |
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| Abstract: | A new method for the determination of effective flange width under uniform load on simply supported box girder bridges considering shear lag effect is proposed in this paper.Based on the Symplectic Elasticity method,the flange slab of the box girder is simplified into a plane stress plate.Using equilibrium conditions of the plates,the Hamilton dual equations for top plate element is established.The analytical formulas of each plate element considering shear lag effect are derived.The closed polynomial effec... |
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| Keywords: | box girder effective flange width analytical solution Saint-Venant problem |
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