轨底坡 rail cant ; cant of rail ; rail could like ; rail cish
轨底崩裂 burst of rail base
钢轨底座 rail bed
钢轨底面 bottom of rail ; rail foot surface
路轨底板 track slab
轨底嵌入 Tilting of rail
轨底中心 center of rail base
夹轨底垫板 clip plate
宽底钢轨 wide-bottom flange rail ; bottom flange rail ; flanged rail
宽底轨 flange rail ; broad footed rail
钢轨轨底缺陷有三种：底伤、结疤和底裂缺陷。
Steel rail has 3 rail base defects: bottom defect, scab and bottom crack.
对于工况参数，主要分析了横移量、轴重和轨底约束对轮轨滚动接触应力场的影响。
The effects of case parameters on the distribution of elastic-plastic stress hi railhead are analyzed including lateral displacement, gross rail load on axle and constrained conditions of rail bottom.
采用数值仿真方法研究了不同车轮踏面外形、轮对内侧距、轨底坡和车速对踏面磨耗深度和磨耗分布的影响。
Numerical simulation was used to study the influence of profile shape, vehicle speed, wheel back distance and rail cant on the wear depth and wear distribution of wheel profile.
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