Topic : Tunnel Boring Machine

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L.A. Metro begins tunneling on first section of Purple Line extension

Rail| October 17, 2018

Twin tunnel boring machines will begin by tunneling parallel underground sections between the future Wilshire/La Brea Station and the current Wilshire/Western Purple Line terminus.

LA Metro rail extension project marks tunneling milestone

Rail| December 12, 2017

Angeli, the tunnel boring machine, was lowered into the ground near 1st and Central in late 2016 and began digging the tunnels in early February.

Rail| October 21, 2016

LA Metro unveils new tunnel boring machine named Angeli

At the event Board Chair Fasana awarded TAP Cards to students who won contests to name the TBM and create an illustration for its tail shield.

Rail| August 25, 2015

[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

Rail| July 15, 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

Rail| June 17, 2014

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.
Rail| January 29, 2014

San Francisco tunnel boring continues progress

Beginning Tuesday, Big Alma was set to be in operation 24 hours a day to build the approximately 425 feet of new tunnel beneath the Market Street tunnels.
Rail| November 21, 2013

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.

Rail| November 20, 2013

San Francisco MTA launches 2nd tunnel boring machine

In the coming months, the two machines will travel north under 4th Street, Stockton Street and Columbus Avenue, excavating and constructing San Francisco’s first new subway line in decades.
Rail| June 11, 2012

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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