Slurry TBM is specialized tunnelling machine which feeds pressurized slurry into the system to maintain earth and water pressure balance on the tunnel face and then discharge the mucks via slurry circuit system.
Wuhan Metro Project
The running tunnel with total length of 1732m, lying between Qintai Station and Wusheng Station at Lot 10 of Phase 1 Project of Wuhan Metro Line 6, crosses Hanjiang River where maximum water pressure is 4.5kg and minimum turning radius is 350m. One slurry TBM with boring diameter of 6500mm developed by CREG independently is deployed at site. Main strata thereof are featured by clay, silty clay mixed with powder sand, clay soil with gravels, HW siltstones and MW limestones, etc.