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.

The tunnel boring machine can slice through sand with ease, but there's one problem: the whole tunnel will collapse if you don't figure out a way to support the loose sand. Try again!

There are many types of boring machines. A line boring machine bores holes in heavy construction equipment, such as cranes and endloaders, and is a very economical piece of equipment. A tunnel boring ...

T unnel boring machines (TBMs) are used in subsurface mining operations to excavate tunnels through rock strata and surrounding sedimentary deposits. They consist of a rotating cutting wheel fitted to ...

A photo taken on Feb 26, 2024, shows the tunnel boring machine Yongzhou at an industrial park of China Railway Construction Heavy Industry Corporation Limited in Changsha, Central China's Hunan ...

Since its inception last year, Penn Hyperloop has been seeking official recognition from the Engineering School as an ...

Both Gibbons and his landlord, Greg Tershakowec, believe the problem was caused by work taking place some 10 metres from the home to rescue a multi-million dollar micro-tunnel boring machine ...

On Wednesday, a crew removed the last section of a boring machine trapped 18 metres ... The rear part of the 1.5-metre wide, five-metre long micro-tunneling machine was the only piece still ...

HAMPTON, Va. — On April 17, Mary the Tunnel Boring Machine emerged through the headwall at the Hampton end of the HRBT. Exactly six months later, she's starting her next journey: creating the ...

Mary, the tunnel-boring machine, is on the move again! Thursday, Mary began boring a twin eastbound tunnel in part with the Hampton Roads Bridge-Tunnel Expansion Project. Watch: First of 4 ...

A 1,600-tonne tunnel boring machine has made it halfway through its journey to build the 3.5 mile (5.6km) Bromford Tunnel between Water Orton and Washwood Heath. Working about 40m (131ft ...