Stduy on index selection of surrounding rock classification for cohesive soil tunnel;

This paper researches the displacement of large section soil tunnel in cold regions based on Tian Hengshan high-speed beltway in Harbin.

With the rapid development of economic construction,shallow and large-section soil tunnels are widely used in highway construction.

This paper introduces the engineering situation and geological condition of Daonan Tunnel of Huangyan Superhighway, and expounds the excavation technique and initial supporting technique used in the tunnel of soil highway, including seven- procedure flow method, and pipe- shed advance support, etc.

Variation characteristic analysis of a structural parameter for surrounding soils in loess tunnels;

Construction technologies of loess tunnel at shallow-buried biased opening section;

On roof ripping construction of incline shaft of large section loess tunnel in fork road section;