Reinforcement device for supporting structures

Details Reinforcement device for supporting structures Reinforcement device for supporting structures

E - Fixed Constructions

04

G

E04G 23/02 (2006.01) E04C 3/26 (2006.01) E04C 5/07 (2006.01) E04C 5/12 (2006.01)

Patent

CA 2301755

The ends of the carbon plates (2) reinforcing the supporting elements (1), such as concrete beams, are divided into at least two splines (2') having approximately the same thickness and are glued in the appropriate retaining slots (9) of a terminal element (3, 4, 12, 13), said splines forming an angle in relation to each other. This assembly is then glued to the traction side of the supporting element (1), whereby the carbon plates (2) are directly prestressed by the terminal elements (3, 4, 12, 13) in relation to the supporting element (1). The terminal element (3, 4, 12, 13) can be inserted into an appropriate groove in the supporting element (1) or glued directly on the surface of the supporting element (1) and/or doweled, optionally by using a transversal tensioning device.

Selon l'invention, les extrémités des lamelles en carbone (2), destinées à renforcer des éléments porteurs (1), par exemple des poutres en béton, sont divisées en au moins deux languettes (2') d'épaisseurs pratiquement égales, et collées dans des fentes de retenue (9) formant un angle l'une par rapport à l'autre, d'un élément terminal (3, 4, 12, 13). Cet ensemble est ensuite collé sur le côté de traction de l'élément porteur (1). Les lamelles en carbone (2) sont précontraintes de préférence par rapport à l'élément porteur (1) directement par l'intermédiaire des éléments terminaux (3, 4, 12, 13). L'élément terminal (3, 4, 12, 13) peut être introduit dans un évidement approprié, pratiqué dans l'élément porteur (1) ou être collé et/ou chevillé directement sur la surface de l'élément porteur (1), le cas échéant au moyen d'un dispositif de contrainte transversale (6).

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