考虑剪切滑移效应的组合梁桥横向分布系数研究

摘要

为计算钢-混凝土组合梁桥的横向分布系数，基于偏心压力法的基本原理，推导了考虑组合梁交界面处剪切滑移效应的修正偏心压力法计算公式，并与按钢与混凝土顶板之间完全相互作用假设的传统偏心压力法的计算结果进行了对比分析。分析结果表明，在进行钢-混凝土组合梁桥横向分布系数计算时，可不考虑剪切滑移效应的影响。%In order to calculate the steel-concrete composite beam transverse distribution coefficient of the bridge, the basic principle of eccentric pressure method based on composite beams derived considering slip effect at the in-terface shear correction formulas eccentric pressure method, and with the press of steel and concrete roof assuming full interaction between the calculation results of the traditional method of eccentric pressure were compared, the re-sults show that in the transverse distribution coefficient of steel and concrete composite beams calculation, can not consider the effect of shear slip.