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“XXNX👙10”-译文小记

渝昆高铁云南XXNX👙10段全线隧道贯通过半

来源: 华夏时报
2024-11-05 22:06:09

最佳回答

“XXNX👙10”渝昆高铁云南XXNX👙10段全线隧道贯通过半

  中新XXNX👙10网昆明11月5日电 (段倬 杨XXNX👙10华 孟杰)5日,渝昆高铁云南段建设取得重大进展,首座7公里以上隧道贯通。至此,渝昆高铁云南段隧道贯通超过一半。

图为全长7268米的渝昆高铁云南段那寨箐隧道贯通。邓小龙 摄

  当天,随着挖掘机的掘进,位于云南省曲靖市会泽县境内,全长7268米的那寨箐隧道安全贯通。这是渝昆高铁云南段贯通XXNX👙10的首座7公里以上隧道,也是整个工程的重要节点。截至目前,渝昆高铁云南段隧道已贯通29座,隧道贯通过半,为渝昆高铁全线建成通车奠定坚实基础。

  “那寨箐隧道最大埋深有274米,最小埋深仅有14米,有4处属于浅埋段,加上隧道穿越断层破碎带、岩石爆裂等不良地质,围岩稳定性差,环境敏感点多,给施工带来诸多不利影响。”中铁十二局渝昆高铁项目总工程师王勇武说,建设者实施安全“穿透式”管理,提升成套化施工技术水平,并创新推行光面爆破技术、3D断面扫描分析等先进工艺工法,确保施工安全,加快施工进度。

  渝昆高铁是中国“八纵八横”铁路网京昆通道的重要组成部分,全长约700公里,其中云南段长达388.6公里,是云南省内首条设计时速达到350公里的高速铁路。建成后,重庆到昆明行车时间将从原先的5小时缩短至最快2小时左右。(完)

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