Phillip Birch operates earth-cutting equipment in a tiny space more than 40 metres below the surface of the Fraser River. To ...
China has developed its largest tunnel-boring machine, Jianghai, with a 54.4-feet diameter and 30% increased tunneling efficiency.
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 ...
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 ...