As Mary the tunnel boring machine nears the home stretch of her round-trip beneath Hampton Roads harbor, another TBM has wrapped up its role in expanding another of the region’s historic bridge-tunnel ...

After multiple delays, including a 9-month delay involving a century-old anchor, the Chesapeake Bay Bridge-Tunnel (CBBT) ...

At the mouth of every tunnel there is a small shrine to Saint Barbara, the patron saint of miners. To get to the boring machine we are driven for an hour in a buggy in the tunnel. It can quickly get ...

As the Line 5 tunnel project nears a permit decision by the Army Corps of Engineers, Enbridge has renovated its information ...

CHENNAI: CMRL achieved a milestone in Phase II expansion on Tuesday, with a tunnel boring machine (TBM) completing a challenging underground drive beneath one o ...

Construction will rely on two massive tunnel boring machines (TBMs), named Mary and Emily, after abolitionist heroines Mary and Emily Edmonson, who famously attempted to escape slavery via the ...

Larsen & Toubro overcame near-catastrophic challenges during the construction of India's longest rail tunnel, including a major water influx and soft rock pressure.

They have been used to drill the Silvertown Tunnel, Crossrail, the Power Tunnels in north London and the Thames Tideway or super sewer as well as the Channel Tunnel. Operating these machines are ...