The tunnel boring machine known as Chessie broke through the receiving pit on Two Island at the Thimble Shoal Channel at the Chesapeake Bay Bridge-Tunnel Monday, the CBBT said.

Chessie officially completed her journey, successfully exiting the receiving pit on Two Island on Wednesday. Chessie reached ...

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.

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 tunneling company announced on Thursday it had signed a memorandum of understanding with Dubai transit authorities to ...

VIRGINIA BEACH, Va. — After multiple delays, including a 9-month delay involving a century-old anchor, the Chesapeake Bay Bridge-Tunnel (CBBT) expansion achieved a major milestone as its tunnel boring ...

MANILA — The Metro Manila Subway Project (MMSP) continues to gain traction as the Department of Transportation (DOTr) and Armed Forces of the Philippines (AFP) launched the operations of the tunnel ...

BEIJING, Dec. 17, 2024 /PRNewswire/ -- The tunnel boring machine (TBM) was invented more than 200 years ago for tunnel engineering. Over the past century, TBMs have been widely used to construct ...

QUEZON CITY, (PIA) — The Armed Forces of the Philippines (AFP) and the Department of Transportation (DOTr), and other key government officials and stakeholders on Thursday led the launching of the ...