Stud-trough reinforcing system for structural concrete

E - Fixed Constructions – 04 – C

Patent

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Details

E04C 5/01 (2006.01) E04B 5/43 (2006.01) E04C 3/20 (2006.01) E04C 5/06 (2006.01) E04C 5/12 (2006.01)

Patent

CA 2165848

A reinforcing assembly for use in structural concrete members, such as slabs, footings, raft foundations, beams, walls and columns, has at least one reinforcing stud having an elongate stem and an anchor head at least at one end of the stem for anchoring the stud adjacent a face of the concrete member, and an elongate support element for mechanically retaining therein the anchor head of the stud. The support element is in the form of a U-shaped trough having a base and sidewalls which hold the stud and confine the concrete about the retained anchor head. The trough decreases the size of anchor head necessary to avoid concrete crushing behind the anchor head and distributes some anchorage forces away from the anchor head. The trough also spaces and positions a plurality of studs in the concrete member.

Un assemblage d'armatures pour éléments de construction en béton, par exemple des dalles, des semelles, des radiers, des poutres, des murs et des colonnes, a au moins une barre d'armature verticale comportant une tige allongée et une tête d'ancrage au moins à un bout de la tige pour ancrer la barre verticale près d'une face de l'élément en béton, et un élément de support allongé pour retenir mécaniquement la tête d'ancrage de la barre verticale. L'élément de support a la forme d'un caniveau en U ayant une base et des parois latérales qui retiennent la barre verticale et confinent le béton autour de la tête d'ancrage retenue. Le caniveau diminue la grosseur de tête d'ancrage nécessaire pour éviter l'effrittement du béton derrière la tête d'ancrage et distribue une partie des forces d'ancrage à l'écart de la tête d'ancrage. Le caniveau permet également d'espacer et de positionner une pluralité de barres verticales dans l'élément en béton.

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