Double Shield TBM
Double Shield TBM
Double Shield TBM
Lanzhou Water Source Project, China
This project aims to supply water to Lanzhou City from Liujiaxia Reservoir. The TBM tunnel is about 24.4km with maximum overburden of 918m and rocks with high strength. CREG supplied a double shield TBM with boring diameter of 5.48m, which has efficient hard rock cutting capacity and emergency handling ability. The TBM was launched on February 4th, 2016.
