Yungui railway tunnel

Yungui Railway Long'an No.2 Tunnel is located in Long'an County, Nanning City, Guangxi, with a total length of 260m, V-class perimeter rock, 10m open hole at the exit, with a maximum depth of 21m, and a minimum depth of 1.8m (at the intersection of dark and light), which is an adverse geological tunnel of weathering and spalling, and dangerous rock fall, etc. The lining structure is designed to have a serviceable life of 100 years, which has the characteristics of high quality standard and high difficulty in construction.

The cart used in this project is processed and made by our company for China Railway 19 Bureau.