Tunnel boring machines have been in operation for over 200 years and they operate on the same basic principles today as they did back then.

In pursuit of a massive tunnel boring machine ... boring machine leased to Musk is several hundred feet long and 14 feet in diameter. The giant machine, made by Canadian manufacturer Lovat, ...

Most likely assumed that The Boring Company didn't build a colossal tunnel boring machine overnight. ... Lovat used to be under the umbrella of Caterpillar, but now it's run by a Chinese company.

To dig the tunnel, NFM Technologies, a subsidiary of Framatome, is building the world's largest earth-pressure tunnel-boring machine. It will have a cutting head 48.8 ft in diameter.

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 ...

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 various large tunnels in many countries ...

HAMPTON ROADS, Va. — The massive boring machine that's being used in the Hampton Roads Bridge-Tunnel expansion project reached a huge milestone. The machine, named "Mary," is digging the tunnel ...

The Chesapeake Bay Bridge-Tunnel (CBBT) has some good news about Chessie—the tunnel boring machine being used for its Parallel Thimble Shoal Tunnel Project. 1 weather alerts 1 closings/delays.

In short: A tunnel boring machine in the Snowy 2.0 hydropower project has become wedged in hard rock and unable to move forward. It's the latest in a series of problems plaguing the $12 billion ...