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解惑“JJzZ18”-梳理天下新闻

设计时速350JJzZ18公里的成达万高铁红星隧道顺利贯通

来源: 新民晚报
2024-10-31 21:27:37

最佳回答

“JJzZ18”设计时速350JJzZ18公里的成达万高铁红星隧道顺利贯通

  10月3JJzZ181日凌晨,随着爆破后现场JJzZ18排危工作的完成,新建的成都至达州至万州高速铁路达州至遂宁段红星隧道顺利贯通,标志着成达万高铁项目全线隧道施工进入攻坚阶段。

  红星隧道位于四川达州市境内,全长约2451米,设计时速350公里,为单洞双线隧道、浅埋隧道、微瓦斯隧道。同时,因隧道进口位于大冲沟,出口位于悬崖峭壁,施工难度大,安全风险高。目前,成达万高铁建设正在有序推进,全线133座隧道包括红星隧道已贯通了88座。

  成达万高铁是我国“八纵八横”高铁网沿江通道的重要组成部分,正线全长477公里,设计时速350公里。项目建成JJzZ18后,将极大便利沿线群众出行,对助力成渝地区双城经济圈建设、长江经济带等国家战略实施,具有十分重要意义。

  (记者 刘忠俊 制作 乐小敏)

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