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:

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: 14:28

Summary of answers provided
3 +2three-chord arch lattice girder
Bernd Runge
3three piece lattice arch girders
Kim Metzger

Discussion entries: 1



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

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

Gitterbögen - Lattice arches


Primary support on Kent’s 380m long A20 Round Hill road tunnel uses different combinations of shotcrete, lattice arch girders and steel mesh reinforcement

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. ...


Kim Metzger
Local time: 00:28
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 1591
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1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +2
three-chord arch lattice girder

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.
dann auf "The use of lattice girders in the construction of tunnels" klicken.

Note added at 1 Stunde (2010-12-17 07:06:08 GMT)

Auf http://www.tat-befer.de/pantex.htm kann man gut sehen, wie ein 3-gurtiger Träger aussieht.

Bernd Runge
Local time: 07:28
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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