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 ...

German mechanised tunnelling major Herrenknecht, which was at the centre of a recent conversation between Commerce Minister Piyush Goyal and Germany’s Vice Chancellor Robert Habeck, has said it has ...

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 tunnel boring machine can excavate tunnels using a circular cross-section that drills through soil and rock strata, seamlessly laying concrete segments to construct tunnels, subway tubes ...

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CHANGSHA -- China's self-developed tunnel boring machine with the biggest diameter ... which is intended to establish a major trans-river road link under the country's longest river, connecting ...

BENTONG: The two tunnel boring machines (TBMs), which will excavate the twin-bore Genting Tunnel portion of the East Coast Rail Link (ECRL), are the largest of their kind in South-East Asia ...