攻克“千层酥”地质难题 松长高速飞机岭隧道提前贯通|粉嫩av国产一区二区三区

  中新网天津11月14日电 (记者 周亚强)记者14日从中铁六局天津公司获悉,当日9时18分,随着最后一循环围岩的成功爆破,由该公司承建的松长高速公路控制性工程——飞机岭隧道实现提前贯通。该隧道是松长高速全线首座贯通的长度超过两公里的隧道,标志着项目建设取得重大阶段性突破。

11月14日,松长高速公路控制性工程——飞机岭隧道实现提前贯通。(中铁六局天津公司供图)

  松长高速公路工程起于抚松县,止于长白县。中铁六局天津公司负责的05工区包含桥梁、涵洞、路基、隧道、路面等施工内容。飞机岭隧道地处地质条件极为复杂的区域,施工团队形象地比喻其如同在“千层酥”中掘进。隧道双线全长5003米,不仅面临洞口长距离浅埋软岩的挑战,还需穿越断层富水破碎带。此外,隧道左右洞间距近,相互影响大,施工安全与技术难度极高。现场技术负责人李高坦言:“在隧道施工中,每一步掘进都如履薄冰。”

  为攻克难题,承建方中铁六局天津公司项目团队运用了系列智能化手段与创新工艺。通过引入超前地质预报系统、实时监控测量模块以及BIM智能建模技术,构建了每日循环动态分析模型,实现对施工安全质量的全流程精准管控。同时,项目创新采用短掘短支、聚能爆破等先进工法,并自主研发了多项实用工装,有效提升了施工效率,确保了隧道在高难度条件下得以优质、高效贯通。

  据悉,此次飞机岭隧道的提前贯通,为所在工区成为全线首个实现隧道全贯通的工区创造了条件,也为松长高速全线早日通车赢得了宝贵时间。

  项目相关负责人表示,松长高速公路建设项目作为“十四五”期间吉林省重大交通工程项目,建成通车后,将结束长白朝鲜族自治县不通高速公路的历史,助力长白山旅游经济带与乡村振兴深度融合,对沿线地区的经济发展和社会进步起到重要拉动作用。(完)

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