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解惑“美女让帅哥桶”-环球时报

西渝高铁康渝美女让帅哥桶段首座千米长隧贯通

来源: 中国财经信息网
2024-12-11 18:04:33

最佳回答

“美女让帅哥桶”西渝高铁康渝美女让帅哥桶段首座千米长隧贯通

  中新美女让帅哥桶网成都12月10日电 美女让帅哥桶(记者 刘忠俊)12月10日,经建设者620天的不懈努力,西渝高铁王家塝隧道顺利贯通,这是西渝高铁康渝段首座贯通的千米以上隧道,标志着西渝高铁建设再次取得突破性进展。

西渝高铁王家塝隧道贯通。京昆高铁西昆公司供图

  王家塝隧道位于四川省广安市前锋区境内,为单洞双线隧道,全长2317米,隧道最大埋深约48米、最小埋深15米,全隧为Ⅴ级围岩,伴随涌水、缓倾层等多种不良地质,且隧区多次穿越燃气管道、高速公路、高压电力线路,施工难度大,安全风险高。

  施工过程中,为保护隧道进口省级文物和当地群众饮用水源,中铁五局建设者在隧道进口处设置了292米长的横洞替代进口工点,满足施工要求同时,降低了施工安全风险和施工成本,较设计工期提前4个月实现全隧贯通。“隧道上台阶采用双拼分离式台架施工,出渣作业使用两台装载机与上台阶扒渣挖机同时作业,通过改变传统的流水作业,加快了软弱围岩施工速度,V级围岩月进尺超80米,实现了快速开挖、快速封闭、快速循环。”中铁五局西渝高铁项目部负责人李东红称。

正在建设的西渝高铁康渝段。京昆高铁西昆公司供图

  隧道进场施工以来,项目部不断优化施工方案,积极运用人员定位、视频监控、应急呼叫等安全保障系统,定期开展安全施工教育培训和安全施工应急演练,落实穿透式管理要求,充分调动班组积极性,有效确保了施工安全和质量。

  据了解,西渝高铁建成后,将与已建成运营的成都至重庆高铁、郑州至重庆高铁和在建的重庆至昆明高铁、西安至延安高铁、西安至十堰高铁等多条线路连通,极大便利沿线群众出行。(完)

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