This 12.19m diameter TBM, made by CRCHI, will be used in the Mumbai Coastal Road Project India’s largest diameter tunnel boring machine (TBM) was recently packed at China Railway Construction Heavy ...

A mega slurry tunnel boring machine (TBM) with a maximum excavation diameter of 16.07m has been produced by China Railway Construction Heavy Industry (CRCHI) for use on the construction of Beijing ...

China's largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of central China's Henan Province, Sept. 29, 2018. The machine has a diameter of 15.8 meters, ...

BEIJING - A super large tunnel boring machine (TBM) measuring 15.03 meters in diameter has begun an underwater tunneling project in Shantou city, in South China's Guangdong province. Measuring 130 ...

Project managers are struggling with how to remove Rainier, a tunnel-boring machine that is stuck 330 ft underground since last year. Until the rig is moved, the area s $1.8-billion Brightwater ...

Tunnelling operations have been stopped on the Forrestfield-Airport Link after a section of piping servicing one of the tunnel-boring machines (TBM) dislodged in Tunnel Two, causing a slurry spill.

China's largest slurry tunnel boring machine (TBM) rolls off the production line in Zhengzhou, capital of Central China's Henan province, Sept 29, 2018. [Photo/Xinhua] ZHENGZHOU - China's largest ...