...可动翼轨辙叉 movable wing rails;movable-wing frog 整体道床 monolithic track bed;solid bed;integrated ballast bed;monolithic concrete bed 辙叉伤损 ;辙叉损伤 frog failure ..
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In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
因此本文针对城市轨道交通的特点，着重对高架桥上整体道床的钢轨支承间距进行研究，计算分析了不同轨枕间距对轨道结构力学特性的影响。
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