entonnement

English translation: "intersection vault/shell structure"

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:entonnement
English translation:"intersection vault/shell structure"
Entered by: B D Finch

09:09 Oct 31, 2018
French to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering
French term or phrase: entonnement
I'm working on a contract concerning civil engineering works on the Paris underground, from *entonnement* 3300P in Saint-Ouen to Aulnay. The term does not appear in my version of Dicobat and having checked Termium (which suggests 'bell-mouthed entry') and IATE (which suggests 'gully'), I'm not sure either of these terms are appropriate to this specific context. Could it simply be a tunnel entrance? Any help would be greatly appreciated. Thanks!
Sarah Russell
United Kingdom
Local time: 22:20
tunnelling/putting into a tunnel
Explanation:
"Entonnement" is a synonym of "entonnage". It simply means that the structures are put in tunnels. As you have not given any of your source text as context, I really can't give you anything more than a basic definition of the word.

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Note added at 4 hrs (2018-10-31 13:13:28 GMT)
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How about " ... between the tunnelled section 330P at Saint-Ouen and ... "?

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Note added at 4 hrs (2018-10-31 13:14:14 GMT)
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Ooops: 3300P, but you get the idea!

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Note added at 9 hrs (2018-10-31 18:58:13 GMT)
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I've had another look at this and it isn't simply "tunneling". It seems to be a cut and cover operation to create a chamber: (something like a massive concrete junction box) to contain the converging/diverging tunnels.

https://bit.ly/2P0q4O2
"Le Grand Paris Express comptera dix ouvrages d’entonnement. Quels est leur rôle ? Où seront-ils positionnés ? On vous dit tout...A quoi servent-ils ?
...
"90% du tracé du nouveau métro est souterrain. Les tunneliers creusent les tunnels profondément dans le sol sans avoir besoin d’excaver à ciel ouvert. En revanche, ces tunneliers ne sont techniquement pas capables de raccorder ou de dissocier ces tunnels. Il est donc indispensable de bâtir des réalisations à part entière.

"Quelle forme prennent-ils ?

"Concrètement, les ouvrages de raccordement s’apparentent à des boîtes en béton, souvent volumineuses, dans lesquelles les tunnels se dédoublent ou, au contraire, fusionnent. Les trains ne partant pas en angle droit, les rayons de courbures donnent à ces ouvrages d’entonnement une forme d’éventail. Si on devait invoquer une image pour se les représenter, on pourrait penser à une boîte de raccordement de câbles électriques, un même boitier dans lequel sont accordées les gaines contenant les fils électriques (raccordés à l’aide des dominos). On retrouve également ce système de raccordement dans les tentes pour enfants dont l’armature est formée de tubes : les pièces de jonction font, en quelque sorte, office d’ouvrages de raccordement.

"La construction de ces ouvrages nécessite de libérer les terrains en surface pour pouvoir ensuite creuser, comme on peut le voir sur la vidéo ci-dessous :"

--------------------------------------------------
Note added at 2 days 1 hr (2018-11-02 11:05:45 GMT)
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If you have time to read/scan it, this document about the Blanka complex of tunnels in Prague should be useful: https://bit.ly/2DfrLkp . I don't know whether there is any single term for this. It's a cut-and-cover shell/box/vault tunnel intersection structure. It's enclosed on all faces except for the tunnel penetrations. So, it is not a trench (though it is/was constructed in a trench) and certainly not a "trough". As the French are fortunate enough to have a word available for putting something in a barrel, they call it an entonnement, which suggests a rounded shell. I think I'd call it an "intersection shell structure" or an "intersection vault structure".
Selected response from:

B D Finch
France
Local time: 23:20
Grading comment
Thanks so much for your help with this!
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +2tunnelling/putting into a tunnel
B D Finch
5underground junction (flying junction, flyover/flyunder or grade-separated junction)
Johannes Gleim
4line/tunnel convergence point
philgoddard
Summary of reference entries provided
This document mentions them a lot...
Tony M

Discussion entries: 4





  

Answers


52 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
line/tunnel convergence point


Explanation:
Nous sommes à l’intersection des lignes 16 et 17 du nouveau métro. Ici, à la gare Le Bourget RER, l’un des dix ouvrages de raccordement que comptera le Grand Paris Express est entré en chantier en cet été 2017. Ces réalisations, ***appelées aussi ouvrage d’entonnement***, permettent, même à plusieurs dizaines de mètres en sous-sol, le débranchement de lignes. D’un tunnel, on passe à deux, voire trois tunnels.
http://www.societedugrandparis.fr/gpe/actualite/les-ouvrages...

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Note added at 3 hrs (2018-10-31 12:56:13 GMT)
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Rue de Verdun, à l'ouest de la gare Le Bourget RER, un ouvrage de raccordement, dit "d'entonnement", sera construit. Cet ouvrage permettra à chacune des lignes de poursuivre son propre parcours en scindant les voies des lignes 16 et 17.
http://www.societedugrandparis.fr/gpe/actualite/construction...

So the lines could also be said to diverge, depending on which way you're travelling. "Fork" might be another translation.

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Note added at 3 hrs (2018-10-31 13:01:41 GMT)
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There are two of them marked in grey in the diagram here:
http://www.societedugrandparis.fr/gpe/actualite/construction...

philgoddard
United States
Native speaker of: English
PRO pts in category: 122

Peer comments on this answer (and responses from the answerer)
neutral  B D Finch: I don't think this is the convergence/divergence of the tunnels, so much as the engineering solution to that convergence/divergence.
9 hrs
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3 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
tunnelling/putting into a tunnel


Explanation:
"Entonnement" is a synonym of "entonnage". It simply means that the structures are put in tunnels. As you have not given any of your source text as context, I really can't give you anything more than a basic definition of the word.

--------------------------------------------------
Note added at 4 hrs (2018-10-31 13:13:28 GMT)
--------------------------------------------------

How about " ... between the tunnelled section 330P at Saint-Ouen and ... "?

--------------------------------------------------
Note added at 4 hrs (2018-10-31 13:14:14 GMT)
--------------------------------------------------

Ooops: 3300P, but you get the idea!

--------------------------------------------------
Note added at 9 hrs (2018-10-31 18:58:13 GMT)
--------------------------------------------------

I've had another look at this and it isn't simply "tunneling". It seems to be a cut and cover operation to create a chamber: (something like a massive concrete junction box) to contain the converging/diverging tunnels.

https://bit.ly/2P0q4O2
"Le Grand Paris Express comptera dix ouvrages d’entonnement. Quels est leur rôle ? Où seront-ils positionnés ? On vous dit tout...A quoi servent-ils ?
...
"90% du tracé du nouveau métro est souterrain. Les tunneliers creusent les tunnels profondément dans le sol sans avoir besoin d’excaver à ciel ouvert. En revanche, ces tunneliers ne sont techniquement pas capables de raccorder ou de dissocier ces tunnels. Il est donc indispensable de bâtir des réalisations à part entière.

"Quelle forme prennent-ils ?

"Concrètement, les ouvrages de raccordement s’apparentent à des boîtes en béton, souvent volumineuses, dans lesquelles les tunnels se dédoublent ou, au contraire, fusionnent. Les trains ne partant pas en angle droit, les rayons de courbures donnent à ces ouvrages d’entonnement une forme d’éventail. Si on devait invoquer une image pour se les représenter, on pourrait penser à une boîte de raccordement de câbles électriques, un même boitier dans lequel sont accordées les gaines contenant les fils électriques (raccordés à l’aide des dominos). On retrouve également ce système de raccordement dans les tentes pour enfants dont l’armature est formée de tubes : les pièces de jonction font, en quelque sorte, office d’ouvrages de raccordement.

"La construction de ces ouvrages nécessite de libérer les terrains en surface pour pouvoir ensuite creuser, comme on peut le voir sur la vidéo ci-dessous :"

--------------------------------------------------
Note added at 2 days 1 hr (2018-11-02 11:05:45 GMT)
--------------------------------------------------

If you have time to read/scan it, this document about the Blanka complex of tunnels in Prague should be useful: https://bit.ly/2DfrLkp . I don't know whether there is any single term for this. It's a cut-and-cover shell/box/vault tunnel intersection structure. It's enclosed on all faces except for the tunnel penetrations. So, it is not a trench (though it is/was constructed in a trench) and certainly not a "trough". As the French are fortunate enough to have a word available for putting something in a barrel, they call it an entonnement, which suggests a rounded shell. I think I'd call it an "intersection shell structure" or an "intersection vault structure".

B D Finch
France
Local time: 23:20
Specializes in field
Native speaker of: English
PRO pts in category: 915
Grading comment
Thanks so much for your help with this!
Notes to answerer
Asker: Thanks very much for your suggestion. I'm afraid this is the only context I have, as the contract refers to a 'marché de travaux de génie civil et d'équipements systèmes de la Ligne 16 - Lot 1 entre l'entonnement 3300P à Saint-Ouen et le centre d'exploitation d'Aulnay'. This is the only time the term comes up in the text.


Peer comments on this answer (and responses from the answerer)
neutral  philgoddard: I think you should provide references for this. Could you be confusing "tonneau" with "tunnel"?
5 hrs
  -> Hi Phil. No, though the word does seem to derive from "tonneau". However, see the note I've added above. It isn't simply putting the track into a tunnel, more like putting tunnels into a gigantic junction box..

neutral  SafeTex: The problem is that French uses "tunnelisation" and "creuser des tunnels" so is "entonnement" simply a synonym?
1 day 5 hrs
  -> See the note I added (at 9 hrs), where I said that my initial answer was wrong and explained what I believe the source term means.

agree  Tony M: As you say in your later suggestions, it is a structure (note it is referred to as an OA = 'ouvrage d'art') where two or more tunnels have to join in some way.
2 days 11 hrs
  -> Thanks Tony

agree  Kim Metzger: intersection vault structure sounds right
4 days
  -> Thanks Kim. It's not clear which of my suggestions you agree with. Note: my initial suggestion was wrong.
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4 days   confidence: Answerer confidence 5/5
underground junction (flying junction, flyover/flyunder or grade-separated junction)


Explanation:
Les ouvrages de raccordement : rendre possibles les jonctions souterraines
:
Ces réalisations, appelées aussi ouvrage d’entonnement, permettent, même à plusieurs dizaines de mètres en sous-sol, le débranchement de lignes.
:
Concrètement, les ouvrages de raccordement s’apparentent à des boîtes en béton, souvent volumineuses, dans lesquelles les tunnels se dédoublent ou, au contraire, fusionnent. Les trains ne partant pas en angle droit, les rayons de courbures donnent à ces ouvrages d’entonnement une forme d’éventail. Si on devait invoquer une image pour se les représenter, on pourrait penser à une boîte de raccordement de câbles électriques, un même boitier dans lequel sont accordées les gaines contenant les fils électriques (raccordés à l’aide des dominos). On retrouve également ce système de raccordement dans les tentes pour enfants dont l’armature est formée de tubes : les pièces de jonction font, en quelque sorte, office d’ouvrages de raccordement.
:
Les ouvrages de raccordement sont construits lorsqu’il y a des aiguillages de voies ferrées. Outre le dédoublement de lignes dont profitent les voyageurs (avec les quais centraux de gares permettant des correspondances sans changer de quais), ils sont aussi techniquement indispensables pour permettre la liaison avec les sites de maintenance des trains voyageurs, des équipements industriels ou de toutes infrastructures ferroviaires. Dix au total seront construits sur l’ensemble du Grand Paris Express, au niveau des gares : au Bourget (deux ouvrages), à Champigny Centre (deux ouvrages), à Aulnay, à Saint-Denis Pleyel, à Nanterre la Folie, aux Ardoines, à Bry-Villiers-Champigny, à Rosny-Bois-Perrier.
https://www.societedugrandparis.fr/gpe/actualite/les-ouvrage...



Entonner (bière) / barrel
Entonnoir m / funnel | ~ (plast) / gate | ~ (filage) / siliver funnnel | ~ (géol) / sinkhole, swallowhole, katavorthre, ponor (i.e. doline)…
(Dictionnaire Générale de la Technique Industrielle)

Domain Building and public works
fr
Definition ouvrage d'entrée d'une buse et faisant la liaison entre 1 fossé et une buse(genre entonnoir posé horizontalement)
Term ouvrage d'entonnement
Reliability 2 (Minimum reliability)

en
Term gully
Reliability 2 (Minimum reliability)
http://iate.europa.eu/SearchByQuery.do?method=searchDetail&l...

Domain Mechanical engineering, Building and public works
fr
Term évacuateur en conduite rectangulaire avec chute d'entonnement
Reliability 3 (Reliable)
Term Ref. Int.Commission on Irrigation and Drainage

en
Definition a rectangular box open both at the top and at the downstream end; an outlet structure is attached to the open end of the box inlet
Term box-inlet drop spillway
Reliability 3 (Reliable)
http://iate.europa.eu/SearchByQuery.do?method=searchDetail&l...

All these translation are not applicable, as it is only called " ouvrage d’entonnement", but the correct term is "jonction souterraine"

Camden Town Underground station
Southbound Junction (looking south)
https://www.flickr.com/photos/24772733@N05/8661895931

Camden Town junction was built around the operating railway with little disruption despite its complexity. When completed it allows trains from either direction to proceed to either diverging route without conflict.
Underground under Camden
Harry Wood
https://www.google.de/imgres?imgurl=http://husk.org/www.geoc...

However, noise would still be generated by construction of the underground junction beneath 1st and Alameda Streets and the new portals on 1" Street and near Temple and Alameda Streets.
:
… because the Fully Underground LRTZ Alternative does not include surface track work, an underpass, or a pedestrian bridge at the intersection of Alameda and 1st Streets. Instead, an underground junction would be built at this location using the cut and cover method, along with portals near Temple and Alameda Streets and on 1st Street.
https://books.google.de/books?id=5yc3AQAAMAAJ&pg=PA346&lpg=P...

A flying junction or flyover is a railway junction at which one or more diverging or converging tracks in a multiple-track route cross other tracks on the route by bridge to avoid conflict with other train movements. A more technical term is "grade-separated junction". A burrowing junction or dive-under occurs where the diverging line passes below the main line.
:
Flying junction on the Tremont Street Subway approaching the Pleasant Street Incline in Boston, Massachusetts
https://en.wikipedia.org/wiki/Flying_junction

Johannes Gleim
Local time: 23:20
Works in field
Native speaker of: German
PRO pts in category: 189
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Reference comments


2 days 13 hrs
Reference: This document mentions them a lot...

Reference information:
...though I haven't so far found an actual explanation — they appear to be some kind of linking structure, a 'join'...

https://issuu.com/sgparis141617/docs/dossier_ep_ligne16_vole...

Tony M
France
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 1250
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