switch point rail 辙尖钢轨
Point rail of frog 叉心尖轨
long point rail 长心轨
three rail point 三轨转辙器
rail unloading point 铁路卸车点
Rail switch point 辙尖钢轨
A sharp increase happens at the (beginning of the point rail and there are three peak values totally. The maximum change rate of total rigidity reaches up to 200%.
辙叉区段基本轨的整体刚度沿线路纵向变化不大,里轨的整体刚度沿线路纵向的变化较大,从心轨尖端部位开始急剧增大,沿线路纵向共出现三个峰值,最大变化率约为200%。
参考来源 - 道岔轨下刚度平顺性与动态特性关系研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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