Reinforcing cage for strengthening a concrete beam

(10) WO 2022/058695 Al

(22) 20.09.2021

(43) 24.03.2022

(57) The invention relates to a reinforced structure (39) for a concrete element, comprising at least two longitudinal rein­forcements (36, 37) and at least one transverse reinforcement (8) formed in a single piece of concrete reinforcement bar. At least one transverse reinforcement (8) comprises two parallel flat portions (9. 11). Each having a general shape corresponding to the letter U or V and comprising a first and a second straight limb; each first limb is prolonged by a first side elbow (13, 13‘), said first side elbows (13, 13‘) are connected by a connecting portion (12); each first limb is connected to a second limb by a central elbow (16, 16‘); each second limb is prolonged by a second side elbow (18, 18‘); and at least a first and a second longitudinal reinforcement (36, 37) are parallel to each other and perpendicular to the transverse reinforcement (8); the first and second longitudinal reinforcements (36, 37) are rigidly ...

(71) ECOLE NATIONALE DES PONTS ET CHAUSSEES [FR/FR] ; 6 & 8 Avenue Blaise Pascal, 77455 CHAMPS-SUR-MARNE CEDEX 2 (FR). VINCI CONSTRUCTION [FR/FR] ; 5 cours Ferdinand de Les­seps, 92500 RUEIL MALMAISON (FR)

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