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Dreigurt-Gitterbögen

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05:39 Dec 17, 2010
This question was closed without grading. Reason: Other

German to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / Underground power plant cavern construction
German term or phrase: Dreigurt-Gitterbögen
Here is the paragraph:

Kraftkaverne:
Für die beiden Maschinensätze mit je 240 MW Leistung wurde eine 62 m lange, 25 m breite und 43 m hohe Kaverne aus dem Berginneren ausgebrochen.
Insgesamt wurde 57.000 m³ Fels ausgebrochen.
Die Ausbruchssicherung erfolgte mit Dreigurt-Gitterbögen, 35 cm Spritzbeton 3-lagig bewehrt und einer Regelankerung aus 6 m langen SN-Ankern und 15 m langen Dauereinstabankern.
Michael Grunwald
Local time: 06:46
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Summary of answers provided
3 +2three-chord arch lattice girder
Bernd Runge
3three piece lattice arch girders
Kim Metzger


Discussion entries: 1





  

Answers


53 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
three piece lattice arch girders


Explanation:
I'm not sure about the "Dreigurt" part.

Gitterbögen - Lattice arches

http://www.porr-gmbh.at/PTU/Hungary/German/media/tunnel_237....

Primary support on Kent’s 380m long A20 Round Hill road tunnel uses different combinations of shotcrete, lattice arch girders and steel mesh reinforcement
http://www.tunnels.mottmac.com/tunnellingtechniques/shotcret...

Lattice arch girders (LAGS) and mesh to be used at junctions.

http://www.thinkdeep.nl/documents/Presentations/Oakervee ppt...

Prestressed arch system in the Lower Inn Valley an innovative ...
by A Fink - 2010
fire-resistant shell for the inner lining of the tunnel. The develop- ..... For the test section, a three-piece lattice arch was chosen. ...

www3.interscience.wiley.com/journal/123487731/articletext?DOI=10...



Kim Metzger
Mexico
Local time: 16:46
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 1568
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1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +2
three-chord arch lattice girder


Explanation:
Gurt,
Bautechnik: Bezeichnung für die obere und untere Begrenzung (Obergurt beziehungsweise Untergurt) eines Vollwand- oder Fachwerkträgers.
© Bibliographisches Institut & F. A. Brockhaus AG, Mannheim, 2005
Manchmal liest man auch triangular (cross) section lattice girder.
http://www.ats.org.au/index.php?option=com_docman&task=doc_v...
dann auf "The use of lattice girders in the construction of tunnels" klicken.
http://www.nordicsteel2009.se/pdf/60.pdf

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Note added at 1 Stunde (2010-12-17 07:06:08 GMT)
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Auf http://www.tat-befer.de/pantex.htm kann man gut sehen, wie ein 3-gurtiger Träger aussieht.

Bernd Runge
Germany
Local time: 23:46
Specializes in field
Native speaker of: Native in GermanGerman
PRO pts in category: 400

Peer comments on this answer (and responses from the answerer)
agree  Alan Johnson: Sounds good, and I prefer chord to piece.
1 hr
  -> Thank you, Alan.

agree  Steffen Walter: and with Alan
2 hrs
  -> Vielen Dank, Steffen.
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