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兰渝铁路两水隧道

发布时间:2018-11-09 09:07:52 来源: 分享到:

中交二公局承建的兰渝铁路两水隧道位于甘肃陇南市,主洞全长4945.3米,隧道区地质结构复杂,水文地质条件较差,施工中遇到的高地应力条件下的软岩大变形,被业内专家称为“国内罕见,世界难题”。

The Liangshui Tunnel of Lanzhou-Chongqing Railway is located in Longnan City, Gansu Province. The main tunnel is 4945.3m in length. The geological structure of the tunnel area is complex and the hydrogeological conditions are poor. The soft rock deformation under the condition of high ground stress encountered in construction is referred to as "a rare problem in China and a difficult problem in the world" by the experts in the industry. 

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