On August 10, China’s northernmost high-speed rail—Mu-Jia high-speed rail construction ushered in a key node. After 1036 days of unremitting struggle, the last tunnel—Junshan Tunnel was successfully completed. So far, all 34 tunnels on the Mu-Jia high-speed rail line have been completed. Run through. The Junshan Tunnel has a total length of 4,525 meters and the maximum buried depth of the tunnel is about 190 meters. The biggest difficulty in the construction of the tunnel is that the surrounding rock of the tunnel is poor and changes rapidly, and the winter construction is long and the construction is difficult. The picture shows the staff celebrating the smooth completion of the Mujia Passenger Junshan Tunnel. China News Agency reporter Lu Pin
Release time: 2020-08-10 21:15:05 【Editor: Li Jun】