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armature

Draft – to be validated

n. f. · reinforcement · rebar (US, individual steel bar) · armatures en attente: starter rebars

Definition

FR
Barres d'acier placées dans le béton pour reprendre les efforts de traction. L'ensemble des armatures d'un élément forme son ferraillage. On distingue les armatures longitudinales (les barres principales) et les cadres ou étriers (qui entourent les barres).
EN
Steel bars placed inside concrete to carry the tensile forces. All the bars of one element together form its iron framework (ferraillage). A distinction is made between the longitudinal bars (the main bars) and the stirrups (US) or links (UK), which wrap around them.

Diagram

armatures longitudinaleslongitudinal bars (US) · main bars (UK)cadre · étrierstirrup (US) · link (UK)bétonconcreteCoupe sur un poteau ou une poutre · schéma de principe, non à l'échelle
Section through a reinforced-concrete column or beam.

Example sentences

Written (email, official document)

FRBonjour, merci de joindre les plans d'armatures de la dalle avant le coulage.

ENHello, please attach the reinforcement drawings for the slab before the pour.

Spoken (standard)

FRLes armatures du poteau sont en place, le contrôleur passe demain matin.

ENThe column reinforcement is in place, the inspector is coming tomorrow morning.

Spoken (informal)

FRLes ferrailleurs ont oublié des armatures en attente, on doit en rajouter.

ENThe rebar crew forgot some starter rebars, we have to add some.

To review: realism in a French office (FR), naturalness of the English (US).

Nuances and pitfalls

False friend. In English, armature mostly means the internal frame of a sculpture or the rotating part of an electric motor, not the steel in a structure. For concrete, say reinforcement or, in the US, rebar. To be confirmed by the US and UK reviewers.

Armatures, ferraillage, ferrailleur. The armatures are the bars; the ferraillage is all the bars of a structure; the ferrailleur is the worker who places them. In English, rebar is the bar and reinforcement the whole. To be confirmed by the reviewers.

Cadre and étrier. In English, both are translated as stirrup (US) or link (UK). To be confirmed by the US and UK reviewers.

Related terms

ferraillagebéton arméenrobagecadreétriersemelle

Regulatory and standard references

France
US
UK
NF DTU 21 (exécution des ouvrages en béton, 2017)✓ In force as of 3 Oct 2026 (web search)
ACI CODE-318-25 (Building Code for Structural Concrete)✓ In force as of 3 Oct 2026 (web search)
BS 8666:2020 (scheduling, dimensioning, cutting and bending of steel reinforcement for concrete)✓ In force as of 3 Oct 2026 (web search)
NF EN 1992-1-1 (Eurocode 2, 2005 ; une révision, dont l'enquête publique s'est clôturée en 2021, doit la remplacer)✓ In force as of 3 Oct 2026 (web search)

Legislation in force may differ from what is shown here.

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