China Railway Engineering Equipment Group Co

Double Shield TBM

Introduction： Lanzhou Water Source Project, China - This project is to supply water to Lanzhou City from Liujiaxia Reservoir.

Project Facts

Product Facts

Lanzhou Water Source Project, China - This project is to supply water to Lanzhou City from Liujiaxia Reservoir. The TBM tunnel is approximately 24.4km with maximum overburden of 918m and high-strength rocks. The TBM was launched on February 4th in Gansu Province and completed tunnelling on February 2nd 2018.

Machine Specification

Excavation Diameter	5.48 m
Tunnelling Length	11,927 m
Max. Gradient	23%

Geological Features

To be added.