Research purposes: To solve the problems on designing continuous welded rail on bridge in the small radius curve section.
研究目的：解决小半径曲线地段桥上无缝线路设计的难题。
Simulation research results showed the front wheel had the biggest contact force during the surmounting process, the vehicle could surmount obstacle with height over the radius of wheel.
仿真研究结果表明，作业车能够越过高度不小于车轮半径的垂直障碍，越障时前轮所受碰撞力最大。
Research the basal concepts and formulas of coordinate conversion, the formulas of the radius of curvature in a normal section, the meridional length and the latitude of pedal are given.
对坐标转换的基本概念和基本公式做了研究，给出了法截线曲率半径、子午线弧长和底点纬度的解算公式。
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