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社评“人马畜禽corporation网站”-梳理天下新闻

渝万高铁首座3人马畜禽corporation网站千米以上长隧道贯通

来源: 河北日报
2024-11-19 14:29:17

最佳回答

“人马畜禽corporation网站”渝万高铁首座3人马畜禽corporation网站千米以上长隧道贯通

  11月1人马畜禽corporation网站8日,渝万高铁站前4标学堂人马畜禽corporation网站咀隧道顺利贯通,这是渝万高铁全线贯通的首座3千米以上隧道,较计划提前172天贯通。

  学堂咀隧道位于重庆市丰都县名山街道北部,全长3692米,具有地质条件复杂、施工难度大、安全风险高等特点。施工方中铁十七局克服了隧道顺层浅埋、软弱围岩、石膏缓倾、软岩上拱等施工难题。

  据介绍,渝万高铁3000米以上的隧道共有17座,学堂咀隧道是贯通的首座3000米以上长隧道。

  渝万高铁是中国“八纵八横”高速铁路网中京昆、包(银)海通道和重庆“米”字形高铁网的重要组成部分,是沿江高铁通道的重要补充。(肖江川 刘先华)

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