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高铁的铁轨和普通铁轨一样吗
更新时间: 2020-11-03 00:00:00  

高铁的铁轨和普通铁轨不一样,普通铁路轨道是在小块石头堆砌的基础上,再铺设枕木或水泥枕木,这称为有碴轨道。高铁由于速度较快,一般采用无砟轨道,它采用板式道床或整体式道床,没有单独的轨枕,轨道相对较稳定,维修工作量小,乘坐舒适性更高。普通铁轨每段长25米、重约1.5吨,铺设完成后,铁轨之间会留下一段空隙。

关键词: 铁轨 普通 一样

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