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effort ancré

English translation: force anchored

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:effort ancré
English translation:force anchored
Entered by: Tony M
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12:44 Feb 15, 2009
French to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / hollow-core concrete floors
French term or phrase: effort ancré
URGENT, please!

This term recurs several times, associated with other items, and I am having trouble getting my head round what it really refers to, let alone finding an actual translation!

It does not appear to be very common on the 'Net, which has hampered my researches, and I have been unable to unearth an English version of the relevant Eurocode / EN.

[Paragraph heading]
Equilibre interne de la section, effort ancré par les armatures

L’effort ancré F subscr R,fi par les armatures à l’abscisse considérée doit être évalué en prenant en compte la contribution des aciers passifs longitudinaux...

La précontrainte résiduelle dans la section de rupture (abscisse x) est donnée par le minimum entre :
1. la précontrainte résiduelle en section courante calculée à partir de la déformation des armatures en service (temps infini), de la dilatation thermique des armatures à haute température et des déformations résultant de l’équilibre mécanique de la section,
2. la résistance à haute température des aciers de précontrainte,
3. L’effort ancré dans les armatures à l’abscisse x

Il convient de limiter l’effort de traction dans les aciers à l’effort ancré sur la longueur d’appui et la longueur en dépassement

I'm very far from convinced that there is any actual 'anchoring' going on here, it almost seems like it is talking about 'the force transmitted...' — but this sort of theoretical mechanics goes way beyond my knowledge!
Tony M
France
Local time: 18:41
force anchored
Explanation:
Steel reinforcement in concrete is "anchored" along its entire length. The "force anchored" is presumably the ultimate (tensile) force that can be transmitted from the steel to the concrete without the reinforcement being ripped out. Since it would be ridiculous to refer to the anchoring forces at a discrete point (negligible), they must be talking about the force anchored from the end of the rebar to that point, i.e. the distance (abscisse) to that point.

The same will apply to prestressing steel it that is what you are addressing, except that a lot of prestress (post-tension type) is anchored only at the ends of the tendon/cable, the rest being greased or ducted etc.
Selected response from:

xxxBourth
Local time: 18:41
Grading comment
Thanks a lot, Alex, and to Alain and Polyglot too, for their helpful contributions!
4 KudoZ points were awarded for this answer

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Summary of answers provided
4force anchoredxxxBourth
Summary of reference entries provided
see title of Annex 4polyglot45
EN 1992-1-1Alain Pommet

Discussion entries: 1





  

Answers


42 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
force anchored


Explanation:
Steel reinforcement in concrete is "anchored" along its entire length. The "force anchored" is presumably the ultimate (tensile) force that can be transmitted from the steel to the concrete without the reinforcement being ripped out. Since it would be ridiculous to refer to the anchoring forces at a discrete point (negligible), they must be talking about the force anchored from the end of the rebar to that point, i.e. the distance (abscisse) to that point.

The same will apply to prestressing steel it that is what you are addressing, except that a lot of prestress (post-tension type) is anchored only at the ends of the tendon/cable, the rest being greased or ducted etc.

xxxBourth
Local time: 18:41
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4135
Grading comment
Thanks a lot, Alex, and to Alain and Polyglot too, for their helpful contributions!
Notes to answerer
Asker: Thanks, Alex! This seems to be relating only to pre-tensioned prestressing, and they talk a lot about 'adhesion'...


Peer comments on this answer (and responses from the answerer)
neutral  polyglot45: or is it the forces or loads BORNE by the reinforcements (kept under control)?
11 mins
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Reference comments


57 mins
Reference: see title of Annex 4

Reference information:
http://www.mace.manchester.ac.uk/project/research/structures...

--------------------------------------------------
Note added at 58 mins (2009-02-15 13:43:25 GMT)
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also - http://www.mace.manchester.ac.uk/project/research/structures... 2: Design of Concrete Structures –

polyglot45
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in category: 52
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6 hrs
Reference: EN 1992-1-1

Reference information:
http://www.reluis.it/doc/pdf/EN 1992-1-1_dic-04.pdf

Alain Pommet
France
Native speaker of: Native in EnglishEnglish
PRO pts in category: 141
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