A giant 1,600-tonne machine called Madeleine that will bore a tunnel taking HS2 trains into central London has been switched ...

Add Yahoo as a preferred source to see more of our stories on Google. CAPE CHARLES, Va. (WAVY) — The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...

The Hudson Tunnel Project is marking another major milestone as it nears a critical point in the $16 billion process. During its Aug. 20 board meeting, Gateway Development Commission announced that ...

Recent advancements in rock cutting and tunnel boring machine (TBM) performance have underscored the importance of optimising cutter design, operational parameters and understanding rock fracture ...

Innovative design and construction of large prop-less openings in HS2’s segmentally lined Northolt Tunnels using specially ...

Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

The "Shield Tunnel Boring Machine Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, 2021-2031" has been added to ResearchAndMarkets.com's offering. The Global Shield Tunnel ...

They weighed 1200 tonnes each, the same as 171 elephants, measured 170 metres in length, and dug through 1.58 million tonnes of rock. Now that their job is done, they’ve been dismantled underground, ...