Powered by a 162-hp air-cooled, turbocharged diesel engine, the CBM 48 cradle earth boring machine produces 170,000 ft.-lbs. of auger torque to install steel casings from 10 to 48 in. in diameter ...

CHANGSHA -- China's self-developed tunnel boring machine ... boring machines. The new machine is expected to be used in the construction of a large-scale tunneling project under the Yangtze ...

A portion of Seattle's Alaskan Way Viaduct is being replaced by a deep tunnel, and the machine purpose-built for the job is the world's largest tunnel boring machine (TBM), christened "Bertha." ...

Chennai Metro Rail's TBM Kalvarayan to breakthrough at Perambur in January, connecting Ayanavaram in Phase II project.

Four tunnel Boring Machines (TBMs ... and the other half, underground (from Kodambakkam to Light House). On the underground stretch, the TBMs tunnel on two stretches — from Light House ...

KALAMAZOO, Mich.—Underground boring being carried out as part of a campuswide effort to install new signage resulted in crews hitting a gas line on the west edge of Western Michigan University's main ...

China has completed the production of its largest tunnel-boring machine (TBM), measuring ... (CR14G), the tunnel faces challenges due to underground water sources, soft soil, and silt, making ...