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中文摘要：
依据加劲板理论分析箱型梁桥的剪力滞效应,建立了单箱双室箱梁的剪力滞效应分析的比拟杆法.推导了针对单箱双室箱梁的加劲杆面积公式和剪力滞微分方程;通过对算例有机玻璃单箱双室箱梁模型的剪力滞效应采用板壳数值解,实验解和本文理论解的对比分析,验证了比拟杆法在对单箱双室箱梁剪力滞效应研究中的可靠性和准确性.
英文摘要：
This paper analyzes the shear lag effect of box girder bridge based on the stiffened plate theory,and establishes the bar simulation method to study the shear lag effect of single box double cell box girder.A stiffener area formula and the shear lag differential equation are derived for the single box double cell box girder, based on a comparison of examples of the organic glass single box double cell box girder model for the shear lag effect in the numerical solution of plate and shell, and in the analysis of the experimental solutions and analytical solutions. The reliability and the accuracy of the bar simulation method in the study of shear lag effect of single box double cell box girder are verified.
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