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Tunnel Boring Machine

[Video] Crossrail London: Giant tunnelling machines dismantled at Farringdon

Crossrail’s final tunnelling machines, Elizabeth and Victoria, are being dismantled 131 feet below Farringdon in central London following the completion of Crossrail tunnelling. The Crossrail route will link existing Network Rail services from Reading and Heathrow in the west, and Shenfield and Abbey Wood in the east. Published on Aug 25, 2015

[Video] Crossrail Breakthrough: Tunnelling marathon completion

The Prime Minister and Mayor of London Boris Johnson celebrated the completion of Crossrail’s tunnels by going 40 metres below the capital to thank the men and women who are constructing the new £14.8 billion east-west railway. Published on Jul 1, 2015

San Francisco completes tunneling work

Two TBMs excavated and constructed the Central Subway’s 1.5 mile-long tunnels at an average pace of 40 feet per day and will be retrieved in North Beach at the site of the former Pagoda Palace Theatre on Powell Street.

How a Tunnel-Boring Machine Drills Underground

Video courtesy of CDM/HMM Joint Venture - 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.

Toronto marks completion on first mile of boring

The new tunnels represent one complete section of the twin tunnels that will connect the future Sheppard West and Finch West Stations. The tunnel boring machines named "Holey" and "Moley" bored the tunnels.

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