Mary the Tunnel Boring Machine (TBM) has arrived at the North ... The TBM was named Mary after NASA engineer Mary Winston Jackson by Hampton Roads middle school students, VDOT said.

Here's how the tunnel boring machine, or TBM, works: As the 200-ton TBM moves forward, a round cutter head studded with titanium teeth grinds into the tunnel face and splits large chunks off the rock.

Technical staff conduct inspection inside "Jianghai," a giant self-developed tunnel boring machine deployed for the construction of the Haitai Yangtze River Tunnel, in Haimen, east China's Jiangsu ...

Tunnel boring machines (TBMs) prefer to chew rocks, not mud. Besides, they can't support the wet ground, so the tunnel walls are collapsing! TBMs work much better in rock tunnels. Try this ...

The Boring Company itself is working on a tunneling machine that can operate at much ... they've created a sample, like a test tunnel. It's a little over a mile long near SpaceX headquarters ...

and cutting and removal of parts of the tunnel boring machine (TBM) continue. The rescue teams are working on D-1 and D-2 spots identified by the sniffer dogs brought from Kerala, and digging ...

China on Wednesday deployed a giant self-developed tunnel boring machine (TBM) for the construction of the world's longest underwater highway TBM tunnel. The new machine, named "Jianghai," has a ...

NANJING, April 9 (Xinhua) -- China on Wednesday deployed a giant self-developed tunnel boring machine (TBM) for the construction of the world's longest underwater highway TBM tunnel. The new machine, ...

NANJING, April 9 (Xinhua) -- China on Wednesday deployed a giant self-developed tunnel boring machine (TBM) for the construction of the world's longest underwater highway TBM tunnel. The new ...