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Baziling Tunnel of Yichang-Wanzhou Railwa2017-02-12 22:17:56

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The 5876m-long Baziling Tunnel of Yichang-Wanzhou Railway with first-class construction risk, was built on kinds of difficult geological conditions, such as, karst, fracture zone, gas flow in coal seams, high stress, mud and water inrush, as well as high-pressure water, and thus is called geological museum for tunnel construction.