No. 2 oblique wells at the No. 2 Huangzheng Tunnel of the Tianlong Railway successfully started

Recently, Tianlong Railway I was constructed by the China Railway Sixth Bureau Road and Bridge Company, the first tunnel No. 2 tunnel of the Tunnel No. 2 tunnel of the Tunnel No. 2, which marked the entering stage of the Tianlong Railway II section.

The new Tianshui to the Longnan Railway Ⅰ Six -point lines are 20.03 kilometers in length, including 2 tunnels, 1 stop and 2 bridges, and a bridge tunnel ratio of 95.8%.The total length of the Huangzhengguan Tunnel is 15,174 meters, the imported horizontal cave is 515 meters, the No. 1 diagonal well is 786 meters, the No. 2 oblique well is 1415 meters, and the No. 3 oblique well is 920 meters.The Huangyuan Tunnel is a single -hole single -line and single -sided slope tunnel. The tunnel is located in Zhongshan District, Qinling.

The Tianlong Railway is an important part of the Northwest Railway Network. The railway runs through the southeast of Gansu. It is a large arteries that communicate with the exchanges of the Longdong and Longnan regions and strengthen the interstellar exchanges in the northwest and southwest., To lead the function of industrial development.

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