Schildmaschine
English translation: (tunnel boring machine with) shield
| 20:53 Sep 7, 2006 |
| German to English translations [PRO] Tech/Engineering - Construction / Civil Engineering | |||||||
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|  Selected response from: Erik Freitag Germany Local time: 15:46 | ||||||
Grading comment
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| Summary of answers provided | ||||
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| 4 +1 | (tunnel boring machine with) shield |
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| 4 | shield tunneling machine or shield boring machine |
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| 4 | shield machine |
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Answers
27 mins confidence: 
peer agreement (net): +1
peer agreement (net): +1(tunnel boring machine with) shield Explanation: Manchmal einfach als "shield" bezeichnet. Die umfassende Benennung ist wohl "tunnel boring machine with shield", abgekürzt "tbm with shield". Reference: http://www.herrenknecht.de/de/dyn_frameset.php3 |
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Grading comment
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30 mins confidence:
shield tunneling machine or shield boring machine Explanation: eigentlich Schildvortriebsmaschine, siehe: http://www.bauwerk-verlag.de/baulexikon/index.shtml?SCHILDMA... Tunnelvortriebsmachine = tunneling machine (Kucera) Schildbauweise = shield tunneling (Ernst) Tunnelvortriebsmaschinen gibt es in verschiedenen Bauweise, z.B. mit Schild (tunneling shield): A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete or steel. In effect, the shield serves as a temporary support structure for the tunnel while it is being excavated. A tunnel boring machine (TBM), consists of a shield (a large metal cylinder) and trailing support mechanisms. At the front end of the shield a rotating cutting wheel is located. Behind the cutting wheel there is a chamber where, depending on the type of the TBM, the excavated soil is either mixed with slurry (so-called slurry TBM) or left as-is (earth pressure balance or EPB shield). The choice for a certain type of TBM depends on the soil conditions. Systems for removal of the soil (or the soil mixed with slurry) are also present. Tunnel boring machines are used as an alternative to drilling and blasting (D&B) methods. A TBM has the advantages of not disturbing surrounding soil and producing a smooth tunnel wall. This significantly reduces the cost of lining the tunnel, and makes them suitable to use in built-up areas. The key disadvantage is cost. http://en.wikipedia.org/wiki/Tunnel_boring_machine http://en.wikipedia.org/wiki/Tunnelling_shield |
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30 mins confidence:
shield machine Explanation: Or "shield tunneling machine". -------------------------------------------------- Note added at 33 mins (2006-09-07 21:26:20 GMT) -------------------------------------------------- See: http://www.pubs.asce.org/WWWdisplay.cgi?0602226 |
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