Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Tunnel_boring_machine> ?p ?o }
- Tunnel_boring_machine abstract "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 can bore through anything from hard rock to sand. Tunnel diameters can range from a metre (done with micro-TBMs) to 19.25 metres to date. Tunnels of less than a metre or so in diameter are typically done using trenchless construction methods or horizontal directional drilling rather than TBMs.Tunnel boring machines are used as an alternative to drilling and blasting (D&B) methods in rock and conventional "hand mining" in soil. TBMs have the advantages of limiting the disturbance to the surrounding ground and producing a smooth tunnel wall. This significantly reduces the cost of lining the tunnel, and makes them suitable to use in heavily urbanized areas. The major disadvantage is the upfront cost. TBMs are expensive to construct, and can be difficult to transport. However, as modern tunnels become longer, the cost of tunnel boring machines versus drill and blast is actually less. This is because tunneling with TBMs is much more efficient and results in shortened completion times.Herrenknecht AG built the world's largest diameter hard rock TBM: "Martina" (excavation diameter of 15.62 m, total length 130 m; excavation area of 192 square m, thrust value 39,485 t, total weight 4,500 tons, total installed capacity 18 MW; yearly energy consumption about 62,000,000 kWh) is owned and operated by the Italian construction company Toto S.p.A. Costruzioni Generali (Toto Group) for the Sparvo gallery of the Italian Motorway Pass A1 ("Variante di Valico A1"), near Florence.The former largest diameter hard rock TBM, at 14.4 m, was manufactured by The Robbins Company for Canada's Niagara Tunnel Project. The machine was used to bore a hydroelectric tunnel beneath Niagara Falls. The machine was named "Big Becky" in reference to the Sir Adam Beck hydroelectric dams to which it is tunnelling to provide an additional hydroelectric tunnel.In 2013, Hitachi Zosen Corporation delivered an earth pressure balance TBM to Seattle, Washington, for the Highway 99 tunnel project. The bore is 17.45 metres (57 ft 3 in). The machine, named Bertha, has been stalled since December 2013 and remains under repair as of 2015.".
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- Tunnel_boring_machine wikiPageWikiLink Boring_(earth).
- Tunnel_boring_machine wikiPageWikiLink Caisson_(engineering).
- Tunnel_boring_machine wikiPageWikiLink Category:Engineering_vehicles.
- Tunnel_boring_machine wikiPageWikiLink Category:Excavating_equipment.
- Tunnel_boring_machine wikiPageWikiLink Category:Tunnels.
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- Tunnel_boring_machine wikiPageWikiLink Trenchless_technology.
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- Tunnel_boring_machine wikiPageWikiLinkText "Bored".
- Tunnel_boring_machine wikiPageWikiLinkText "Boring".
- Tunnel_boring_machine wikiPageWikiLinkText "Coprolite digger".
- Tunnel_boring_machine wikiPageWikiLinkText "Drill Vehicle".
- Tunnel_boring_machine wikiPageWikiLinkText "Robbins Mole".
- Tunnel_boring_machine wikiPageWikiLinkText "TBM".
- Tunnel_boring_machine wikiPageWikiLinkText "TBMs".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel Boring Machine (TBM)".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel Boring Machine".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel Driller".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel boring machine".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel boring machine#Earth Pressure Balance Machine".
- Tunnel_boring_machine wikiPageWikiLinkText "Tunnel boring machine#Soft ground TBMs".
- Tunnel_boring_machine wikiPageWikiLinkText "bore".
- Tunnel_boring_machine wikiPageWikiLinkText "bored tunnel".
- Tunnel_boring_machine wikiPageWikiLinkText "bored".
- Tunnel_boring_machine wikiPageWikiLinkText "boring machine".
- Tunnel_boring_machine wikiPageWikiLinkText "boring machines".
- Tunnel_boring_machine wikiPageWikiLinkText "deep".
- Tunnel_boring_machine wikiPageWikiLinkText "deep-bore tunnel".
- Tunnel_boring_machine wikiPageWikiLinkText "high-technology machinery".
- Tunnel_boring_machine wikiPageWikiLinkText "shield drive".
- Tunnel_boring_machine wikiPageWikiLinkText "shield".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnel boring machine".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnel boring machines (TBM)".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnel boring machines".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnel-boring machine".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnel-boring machines".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnelling machine".
- Tunnel_boring_machine wikiPageWikiLinkText "tunnelling machines".
- Tunnel_boring_machine hasPhotoCollection Tunnel_boring_machine.
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