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A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology. Tunnel boring machines are an alternative to drilling and blasting (D&B) methods and "hand mining".
The Tuen Mun - Chek Lap Kok TBM otherwise known as Qin Liangyu or more formally, the Mixshield S-880 was the world's largest tunnel boring machine launched in June 2015 by Herrenknecht in Germany. [1] [2] The TBM was used to drill a 5 km tunnel connecting Tuen Mun to the Hong Kong International Airport, part of the Tuen Mun–Chek Lap Kok Link ...
Rosie, the tunnel boring machine named after Akron's own Rosie the Riveter, has a sister coming to town later this year, and her name is Elaine.. Named after environmental advocate Elaine Marsh ...
Freighter Fairpartner carrying the disassembled tunnel boring machine into the Port of Seattle in April 2013. Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and was the world's largest earth pressure balance tunnel boring machine, [14] at a cutterhead diameter of 57.5 feet (17.5 m) across.
A tunnel boring machine sits at the bottom of a construction site during a media tour at the Las Vegas Convention Center, Friday, Nov. 15, 2019, in Las Vegas. Officials held an event Friday to ...
Both incidents add to a series of safety episodes that have taken place since the Boring Company began work to expand its existing tunnel system—currently a 2.4-mile, one-way underground conduit ...
Pages in category "Tunnel boring machines" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. ...
The boring machine in June 2019. The first boring machine used by TBC was Godot, a conventional tunnel boring machine (TBM) made by Lovat. [26] [27] TBC then designed their own line of machines called Prufrock. [28] Prufrock 1 was unveiled in 2020, and was used mostly for testing.
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