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Niagara Tunnel Project - Chronology

May 13th 2011 - The TBM affectionately known as "BIG BECKY" officially completed the mining phase of the Niagara Tunnel Project at approximately 12:34 p.m. when the ceremonial breaking through the outer portal of the Grout Tunnel before a large number of

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The TBM places these segments, one at a time, to form a complete tunnel ring. This cycle continues as the TBM drills forward. To view a demonstrative video of a tunnel boring machine, click here.

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Elon Musk's Boring Company will dig a test tunnel in LA

Elon Musk's Boring Company will build a two-mile-long test tunnel in Los Angeles after the City Council voted four to one in favour of his ambitious plans.

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Elon Musk tweets photo of his giant tunnel boring machine ... Elon Musk's plan to tackle traffic using a huge tunnel boring machine (TBM) appears to be in full swing.

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Tunnel boring machine - Wikipedia. A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They may also be used for microtunneling.

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A New Thames Tunnel You Probably Didn't Know About | Londonist

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