Tunnel-boring machines (TBMs) – sometimes known as ‘mega-moles’ within the industry – are pieces of drill-mining equipment used to excavate long tunnels, such as those used by cars and trains in hilly and mountainous regions.
A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.
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A tunnel is an underground or underwater passage that is primarily horizontal. Relatively small-diameter ones carry utility lines or function as pipelines.
May 6, 2013 - Mining of the Westbound Tunnel was completed as the Tunnel Boring Machine broke out on Watson Island. TBM was then dismantled and removed from median in MacArthur Causeway to be shipped back to Germany.
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One of the two tunnel boring machines being used to create the new Perth Airport rail link has been shut down for more than a month after problems surfaced with the high-profile public transport project.
Alexander Herz Cogeis S.p.A. Tunnel Construction Director Tunnel Department Richard Everdell Project Director - Niagara Tunnel Project Ontario Power Generation
The Japan–Korea Undersea Tunnel (also Korea–Japan Undersea Tunnel) is a proposed tunnel project to connect Japan with South Korea via an undersea tunnel crossing the Korea Strait using the strait islands of Iki and Tsushima, a straight-line distance of approximately 128 kilometers (80 mi) at its shortest.
Bertha, the TBM manufactured and supplied by Hitachi Zosen to Seattle Tunnel Partners (STP) for the use of the SR 99 - Alaskan Way Viaduct Replacement Project, has successfully completed boring of the tunnel.
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The billionaire first tweeted a picture of his firm's boring machine in February 2017 with the caption 'Minecraft' - a reference to the popular video game in which players dig large tunnel networks for resources.
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EPISODE TWO: TUNNELS UNDER THE THAMES Linda Miller - Project Manager, Connaught Tunnel. With a CV that boasts serving as a paratrooper and helicopter pilot in the US army, an engineer on a new Cape Canaveral launch complex and now working as Project Manager on the Crossrail project; Linda has been there, done it and probably made the t-shirt ...