Glossary entry

Italian term or phrase:

sfornellamento

English translation:

small cave in

Added to glossary by Dana Rinaldi
Sep 16, 2013 15:42
10 yrs ago
Italian term

sfornellamento

Italian to English Other Geology
Hi all,

I need help with the translation of "sfornellamenti".

This is the text:

Durante lo scavo della canna nord e della canna sud, si verificavano degli sfornellamenti con interessamento della centinatura e dell'arco rovescio già eseguito.

Thanks
Proposed translations (English)
4 small cave in
4 collapse

Proposed translations

2 hrs
Selected

small cave in

I've never found a good translation for this. It isn't a full scale cave-in (crollo) but where a hole opens up in the wall or roof of a tunnel and rock and soil falls through with the result that you have a tunnel with a very large chimney in it. It is still very dangerous.

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Note added at 2 hrs (2013-09-16 18:04:54 GMT)
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You might call it a "fall-in" or "rock fall".

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Note added at 2 hrs (2013-09-16 18:21:49 GMT)
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I think it is also used when tunnelling from both ends and the two tunnel faces meet and where one side breaks threw and the intial result is a hole in the tunnel face.
Note from asker:
Much better than "collapse" which is what I was using. It's an insurance doc with some technical parts. Thanks Jim
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4 KudoZ points awarded for this answer. Comment: "Thanks Jim"
2 hrs

collapse

'a trenta metri dal luogo degli scavi è avvenuto uno smottamento. In termini tecnici si chiama «sfornellamento », in pratica è un cedimento che inizia con la caduta di qualche detrito di troppo e poi si allarga.'
http://corrierefiorentino.corriere.it/cronache/articoli/2008...

http://www.chinadaily.com.cn/china/2008-11/17/content_721251...
http://tunnelbuilder.it/News/Uno-sfornellamento-nel-tunnel-d...

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Note added at 1 zi5 ore (2013-09-17 20:57:02 GMT)
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I would like to add an explanation received from an experienced engineer:
During the excavation phase of the north and south approach of the tunnel, the geological profile of the tunnel arch collapsed, involving the arch steel structure and inlet structure at bottom side
Something went wrong...
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