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couche de roulement

English translation: surface course; wearing course

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:couche de roulement (on an opencast mine)
English translation:surface course; wearing course
Entered by: Ghyslaine LE NAGARD

22:08 Jul 8, 2005
French to English translations [PRO]
Tech/Engineering - Mining & Minerals / Gems / mining industry
French term or phrase: couche de roulement
in a list describing the structure of an opencast mine
Ghyslaine LE NAGARD
New Caledonia
surface course; wearing course
Explanation:
couche de roulement = surface course; wearing course

couche de roulement
Définition: Couche superficielle de la chaussée, servant à absorber les efforts tangentiels et le cisaillement importants provoqués par la circulation dans la partie haute de la chaussée; elle doit aussi résister à l'usure.

wearing course
Définition: The surface layer of a pavement that takes the wear of traffic.
[GDT]


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Note added at 2005-07-08 23:02:02 (GMT)
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Same definitions in Eurodicautom.
Selected response from:

Simon Charass
Canada
Local time: 01:16
Grading comment
Thank you all, all your explanations were very usefull
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +2surface course; wearing course
Simon Charass
4wearing course, surfacing
Nick Lingris
2Other meaning???
Bourth (X)


  

Answers


52 mins   confidence: Answerer confidence 5/5 peer agreement (net): +2
surface course; wearing course


Explanation:
couche de roulement = surface course; wearing course

couche de roulement
Définition: Couche superficielle de la chaussée, servant à absorber les efforts tangentiels et le cisaillement importants provoqués par la circulation dans la partie haute de la chaussée; elle doit aussi résister à l'usure.

wearing course
Définition: The surface layer of a pavement that takes the wear of traffic.
[GDT]


--------------------------------------------------
Note added at 2005-07-08 23:02:02 (GMT)
--------------------------------------------------

Same definitions in Eurodicautom.

Simon Charass
Canada
Local time: 01:16
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in category: 4
Grading comment
Thank you all, all your explanations were very usefull

Peer comments on this answer (and responses from the answerer)
agree  Nick Lingris: Sorry, Simon. Great coincidence!
2 mins
  -> Nothing to be sorry about.
agree  chinesetrans: A context is helpful.
2 hrs
  -> Thanks.
Login to enter a peer comment (or grade)

53 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
wearing course, surfacing


Explanation:
Wearing course is the surface layer of the road, driveway or footpath. It provides a textured, and durable smooth riding surface.

[OED] Gloss. Highway Engin. Terms (B.S.I.) 31 Surfacing, the top layer or layers, comprising the wearing course and/or base course but not the base.

From two ecbc.ca documents:
La voie ferrée est construite de rails soudés de 115 lb. D’après le directeur général de CB&CNS, l’acier est dans un état allant de satisfaisant à très bon. Les traverses, la couche de roulement et la lutte contre la végétation ont en général souffert d’un manque de capital depuis 1998 et une certaine érosion de leur qualité s’est produite.

The rail in place is continuously welded, 115 lb. rail. According to CBNS’ General Manager, the steel is in fair to very good condition. Ties, surfacing and vegetation control have generally suffered from lack of capital since 1998, and some erosion of their quality has occurred.


Nick Lingris
United Kingdom
Local time: 06:16
Native speaker of: Native in GreekGreek
PRO pts in category: 4
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1 hr   confidence: Answerer confidence 2/5Answerer confidence 2/5
Other meaning???


Explanation:
While in the road sense "couche de roulement" is indeed "wearing course", etc., i.e. an engineered surfacing material to spread the load, keep water out, prevent rutting, provide skid resistance, etc., in mines I shouldn't think there are likely to be surfaced roads, hence your question, I imagine.

I therefore wonder if they don't mean "couche de ROULAGE", i.e. the layer of naturally-occurring rock over which the trucks haul ore. I am not familiar with the concept, but "roulage" is definitely a mining word for "haulage".

Bourth (X)
Local time: 07:16
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 187
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