piano dei centri

English translation: (horizontal) tunnel centre plane

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Italian term or phrase:piano dei centri
English translation:(horizontal) tunnel centre plane
Entered by: Mario Ricci

13:41 Feb 13, 2012
Italian to English translations [Non-PRO]
Tech/Engineering - Construction / Civil Engineering / Tunnel construction
Italian term or phrase: piano dei centri
Hello,

I am translating a text about the Base Tunnel on the Variante del Valico and am stuck on a small part that explains some of the construction phases. It is in short bullet points and I am not sure what "piano dei centri" refers to in the following:

10. Esecuzione degli interventi al contorno costituiti da infilaggi valvolati (45 tubi diametro 127 mm, sp = 10 mm, passo 0.40 m, L = 18 m, sovrapposizione 6 m, inclinazione 5%, 1valvola al metro, fino al piano dei centri

My attempt:
10. Execution of the boundary interventions consisting of valved inserts (45 tubes diameter 127 mm, 10 mm thick, interval 0.40 m, L = 18 m, overlap 6 m, inclination 5%, 1 valve per metre, until the top of....

I would be very grateful for any help, most of the text dealt with the rock formation etc but this part is definitely out of my area of expertise!

Many thanks.
Victoria Miller
Italy
Local time: 07:19
(horizontal) tunnel centre plane
Explanation:
Check figure 1 on page 5 (P.C. at centre of diameter lines) and page 5 on page 8: the piano dei centri seems the plane determined by the tunnel centre, with its cross-section horizontal diameter as one side (where the two horizontale segments are) and the tunnel length as the other side. Of course this "plane" follows the geometry of the tunnel.
Selected response from:

Mario Ricci
Italy
Local time: 07:19
Grading comment
Many thanks Mario, much appreciated!
4 KudoZ points were awarded for this answer



Summary of answers provided
4(horizontal) tunnel centre plane
Mario Ricci


  

Answers


2 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
(horizontal) tunnel centre plane


Explanation:
Check figure 1 on page 5 (P.C. at centre of diameter lines) and page 5 on page 8: the piano dei centri seems the plane determined by the tunnel centre, with its cross-section horizontal diameter as one side (where the two horizontale segments are) and the tunnel length as the other side. Of course this "plane" follows the geometry of the tunnel.



    Reference: http://www.spea-autostrade.it/ita/pubblicazioni/pdf/accoppia...
Mario Ricci
Italy
Local time: 07:19
Specializes in field
Native speaker of: Italian
PRO pts in category: 16
Grading comment
Many thanks Mario, much appreciated!
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