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Tunnel boring machines making a name in the Middle East ...

A tunnel boring machine (TBM) cannot begin work on a new project until it has been given a name, according to tunnelling tradition. This is practised throughout the world as a sign of good luck for the project ahead.

What's in a name? For Metro's tunnel machine, it may be a ...

The enormous drills that digs subways don't usually generate much excitement. But Los Angeles County transportation officials hope to make a recent equipment acquisition -- called a tunnel boring machine -- a little less, well, boring.

The World's Largest Tunnel-Boring Machine Must Be Saved

Bertha—that's her name, ... The biggest tunnel-boring machine ever to get stuck under Seattle. ... back it out of the tunnel, make the repairs, ...

Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", ... The EPB gets its name because it uses the excavated material to balance the pressure at the tunnel face.

Tunnel Boring Machines Making A Name In - Video Results

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Tunnel Boring Machines - The Robbins Company

Tunnel Boring Machines. Main Beam; Double ... The Robbins Company revolutionized tunnel construction when our engineers designed the first hard rock TBM and we have ...

How a Tunnel-Boring Machine Drills Underground - YouTube

Jul 12, 2012 · Video courtesy of CDM/HMM Joint Venture - For engineering enthusiasts and anyone who's interested in the mechanics of siphon construction, this animation shows exactly how the 110-ton, 300-foot-long tunnel boring machine will drill a distance of nearly two miles, 100 feet beneath the New York Harbor seabed.