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260:. The cutterhead required 12,000 kW of power whilst the overall vehicle requires 18 MW total installed capacity to function. The machine started work on the Sparvo tunnel in 2011, with drilling of the 2430-metre north tube completed in 2012. The drilling of the 2600-metre south tube was finished in 2013, bringing the 5-kilometre tunneling project to an end.
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232:. It is the largest hard rock tunnel boring machine in the world and has been used for drilling the Sparvo Tunnel, a part of the larger
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The
Martina cost 60 million USD, has a shield diameter of 15.55
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360:"TBM Martina ended Sparvo tunnel - tunnelbuilder.com News"
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The largest hard rock tunnel boring machine ever built
256:and an annual operating consumption of 62 million
374:"Significant breakthrough at Sparvo - TunnelTalk"
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179:4,500 tonnes (4,400 long tons; 5,000 short tons)
342:"5 Biggest Tunnel Boring Machines in the World"
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325:"A Herrenknecht giant reaches its target"
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195:15.62-metre-diameter (51.2 ft)
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144:Disassembled after July 29, 2013
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20:Martina (tunnel boring machine)
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244:Specifications and operations
218:Martina tunnel boring machine
275:List of long tunnels by type
388:"Toto Costruzioni Generali"
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220:(officially named as the
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280:List of mining companies
187:130 metres (430 ft)
270:List of longest tunnels
157:General characteristics
430:Tunnel boring machines
76:60 million (2011)
410:tunnelbuilder website
226:tunnel boring machine
170:Tunnel boring machine
16:Tunnel boring machine
206:18 MW (24,138.4 hp)
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405:tunneltalk website
234:Variante di Valico
224:.) is a hard rock
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307:"Galleria Sparvo"
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200:Installed power
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133:Commissioned
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236:project in
136:August 2011
419:Categories
286:References
81:In service
228:built by
89:Completed
84:2011-2013
50:Operators
264:See also
40:Builders
176:Tonnage
123:Builder
118:Martina
105:History
97:Retired
34:Martina
254:tonnes
250:metres
204:Total:
184:Length
168:-type
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238:Italy
222:S-574
166:S-574
149:Notes
110:Italy
62:Italy
346:ASME
216:The
192:Beam
141:Fate
115:Name
73:US$
68:Cost
30:Name
258:kWh
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