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Oct 21, 2015 12:51
9 yrs ago
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French term

tiré brut

French to English Tech/Engineering Construction / Civil Engineering Cement Construction
I’m trying to understand a construction engineering recommendation published by the Société suisse des ingénieurs et des architectes (SIA), and am having trouble with the term “tiré brut”. This makes reference to a concrete surface that has been handled in a certain way, and I’m not sure if there is a certain phrase in English to describe this.

The only context I have is this: In a table, they have four elements specified for a structure that is being constructed using concrete and they are as follows:

- Surfaces de béton en attente (“tirées brutes”)
- Surfaces de béton finies (talochées, ou prêtes à recevoir isolation, revêtement de sol, etc.)
- Chapes de mortier de ciment (servant de sol fini, ou prêtes à recevoir un autre revêtement de sol)
- Revêtements de sol en dallettes de béton posées sur sable

Does ‘béton en attente’ or ‘tirée brute’ refer to ‘unfinished’ or ‘untreated’ concrete?

Thank you in advance for your suggestions.

Discussion

B D Finch Oct 23, 2015:
Screeding and compaction by tamping or otherwise As there seems to be some confusion about these terms. (Note that the new self-compacting concretes don't require compaction, by tamping or any of the other compacting methods).

http://www.concretecentre.com/technical_information/building...
"A floor screed is usually a cementitious material made from a 1:3 or 1:4.5 ratio of cement to sharp sand. It may be applied onto either a solid in-situ concrete ground floor slab or onto a precast concrete floor unit."

This site details the various methods for compacting concrete:
http://civilblog.org/2014/05/08/what-are-the-methods-for-com...

Except when using self-compacting concrete:

http://www.concretecentre.com/technical_information/building...
"Self-compacting concrete (SCC) is a relatively new product that sees the addition of superplasticiser and a stabiliser to the concrete mix to significantly increase the ease and rate of flow. By its very nature, SCC does not require vibration. It achieves compaction into every part of the mould or formwork simply by means of its own weight without any segregation of the coarse aggregate.

Proposed translations

24 mins

tamped ; unscreeded

Tamped Concrete Floors « Midland Concrete | Domestic ...


www.midlandconcretefloor.co.uk/tamped

A tamped concrete floor finish is produced by raising and lowering a beam to compact the surface of the concrete creating a rough surface.

D 1 - Continental Sports


www.continentalsports.co.uk/attachment.php?id_attachment=19 · PDF file

On unscreeded concrete surfaces bitumen based felt under the packing is always ... Concrete moisture max. 75% RH acc. to BS 8201, when checked by measurement).
.






























okDelivering Precast Concrete - Buchan Concrete Solutions.

www.buchanconcrete.com/brochures/2015/ProfiledSlab_Jan2015.... · PDF file

Æand unscreeded floor applications The concrete’s thermal mass can be utilised to improve the energy efficiency of the building


Peer comment(s):

neutral B D Finch : Tamped concrete is "béton tassé".//Check out the meaning of béton tiré, which does not simply mean "set" and how do you arrive at tanslating it as "tamped"? Concrete needn't be tamped, that's only one of several methods of compaction e.g. vibrating plate.
1 hr
So what? All it means is that it has been set in place without receiving any finish to it;// Name some of the other methods of compaction then; there's only tamping, whether manually or with an electric floater;
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+1
58 mins

untreated, initial-set concrete

"Tirer" according to Dicobat:
"parlant d'un plâtre, d'un mortier ou d'un béton, c'est commencer à s'affermir, être en début de prise."

In English, this is known as "initial set".

http://www.lmcc.com/concrete_news/0810/blessing_the_slab.asp
"One of the most useful definitions of setting is in the context of finishing concrete flatwork. A finisher knows that concrete has reached “initial set” at about the time that standing on the concrete leaves a bootprint only about ¼ inch deep. This is about the time that you can begin the first machine-float pass. As the concrete continues to stiffen, the finisher finally observes that his or her boots only leave the slightest scuff on the concrete, indicating “final setting.” Beyond final set it is difficult to smooth out rough spots without sprinkling water on the surface and working-it-in. "

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Note added at 1 hr (2015-10-21 13:54:40 GMT)
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"Brut" means unfinished, i.e. unsmoothed, unpolished. It doesn't mean "unscreeded" as 1. at the initial set stage it isn't ready to be screeded; 2. there are other finishes besides screeding.

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Note added at 1 hr (2015-10-21 14:14:53 GMT)
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I have just realised that I translated "brut", in the header term, as "untreated". That should have been "unfinished".
Peer comment(s):

agree narasimha (X) : Unfinished- OK.
13 hrs
Thanks narasimha
neutral Andrew Bramhall : What do you think unscreeded means if not unfinished/unpolished? Also, 'unscreeded ' is a generic term for unfinished concrete.// screeding is what happens to tamped concrete;/ all concrete has to be compacted to avoid nesting etc;
1 day 2 hrs
"Unscreeded" is not "a generic term for unfinished concrete"!
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1 day 5 hrs

rough-floated; unfloated

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Reference comments

1 hr
Reference:

Useful glossary

Page 2
file:///C:/Documents%20and%20Settings/JOHN-EDWARD/Mes%20documents/Downloads/CM-97.17-24.pdf
Peer comments on this reference comment:

neutral B D Finch : I'm sure that is a very useful glossary, but your link only works if you lend us your PC!
1 day 20 hrs
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