Tianshan Shengli Tunnel's imported side left hole excavation exceeded 3 kilometers

Tianshan News (Reporter Lu Zejian reported by Reporter 暴 暴 天) In the sound of the Longlong gun, on July 10, the G0711 Line Urumqi to Weili Expressway Tianshan Shengli Tunnel imported the left hole and excavated 3029 meters, breaking through the 3 kilometers mark.

The staff operated the three -arm rock -cutting trimming car in the left hole. Lu Zejian Photo

The Tianshan Shengli Tunnel is the throat project of Wuwei highway, with a total length of 22.1 kilometers. It is a typical high -cold and high -altitude highway tunnel in the highway under construction in China. The geology of the tunnel is complicated and the construction is difficult. The builder adopts the "three holes+four vertical wells" construction method. The middle service tunnel uses the "Tianshan" TBM (hard rock excavator) construction to open up auxiliary working surface for the left and right double main holes to achieve the realization "Long Tunnel Short Beat" can effectively save construction periods. Construction with TBM technology, which is the first time in the construction of domestic highway tunnels.

Since the official start of the Tianshan Shengli Tunnel, the imported project team has overcome difficulties such as high altitude, high cold, traffic occlusion, complex geology, and high environmental protection requirements. Hands, comprehensively promote the construction of the project. At present, the excavation of Tianshan Shengli Tunnel has exceeded 3 kilometers, and the right hole has reached 2846 meters.

"The excavation of the left hole exceeded three kilometers, creating a good foundation for the implementation of the overall construction plan and the tunnel as scheduled." Said Wang Heqi, the manager of the fifth bidding section of Wuwei Tujian, the Xinjiang Wuwei Highway Package PPP project in China.

- END -