Concrete formwork wall serving also as reinforcement

Details Concrete formwork wall serving also as reinforcement Concrete formwork wall serving also as reinforcement

E - Fixed Constructions

04

B

E04B 2/86 (2006.01)

Patent

CA 2428498

Wall made of concrete or similar materials built from an unfold formwork integrated in the wall and including two formwork walls (8,8',10) placed face to face and connected by connecting elements (1) articulated to the formwork walls by stiffeners (2) attached to the formwork walls. The interval between these formwork walls after being unfolded is filled with a filler (7) such as concrete. At least one of the formwork walls includes a casing (11,12) of concrete, mortar or similar, surcharged in relation to the stiffeners (2) and to the articulated connecting elements (1). This casing (11,12) is placed outside and/or inside the formwork wall, the stiffeners (2) and the articulated connecting elements (1) and the formwork wall 8 when it is coated forming an inner reinforcement of the wall submerged in the wall and covered by said casing. The use of separated stiffeners, which must be inserted before pouring the concrete, is thus avoided or highly reduced.

Mue en béton ou matériau semblable réalisé à partir d'un coffrage déplié intégré dans le mur et comportant deux parois coffrantes (8,8', 10) placées en vis-à-vis et connectées par des éléments de liaison (1) articulés aux parois coffrantes par l'intermédiaire des raidisseurs (2) solidaires des parois coffrantes. L'intervalle entre ces parois coffrantes après dépliage est rempli d'un matériau de remplissage (7) tel que le béton. Au moins une des parois coffrantes du mur comporte un enrobage (11, 12) de béton, mortier ou semblable, en surépaisseur par rapport aux raidisseurs (2) et aux éléments de liaison (1) articulés. Cet enrobage (11, 12) est disposé à l'extérieur et/ou à l'intérieur de la paroi coffrante, les raidisseurs (2) et les éléments de liaison (1) articulés et la paroi coffrante 8 lorsqu'elle est enrobée forment une armature intérieure du mur noyée dans le mur et recouverte par ledit enrobage. L'emploi de raidisseurs séparés, qui doivent être insérés avant le coulage du b ¤& ton, est ainsi ¤& vit ¤& ou fortement r ¤& duit.

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