渝昆高铁重难点控制性工程长水机场隧道贯通|精品人妻无码一区二区三区4

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  8月4日,经过1400天的连续奋战,渝昆高铁建设取得重大突破,重难点控制性工程长水机场隧道安全贯通,这座以“环境敏感度高、地质安全风险大、技术创新多”的一级高风险隧道成功打通,为渝昆高铁全线建成通车按下“加速键”,标志着中国高铁建设在复杂地质和敏感环境施工领域再次取得重大突破。

  长水机场隧道全长8770米,下穿昆明长水机场运营区、机场跑道,以及既有沪昆铁路等多处敏感性构筑物,属一级高风险隧道。沿线地质条件错综复杂,围岩破碎、岩溶发育,特别是机场运营对施工变形控制要求极高,是典型的集环境敏感、工期控制、技术创新等多重难题于一身的隧道工程。(李何 罗扬 陈畅 刘超 制作 白玲 视频来源 中国铁路昆明局集团有限公司)

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