DISPOSITIF DE TRANSPORT ET DE POSE D'UN PONT D'UNE PLATE-FORME PETROLIERE D'EXPLOITATION EN MER SUR UNE STRUCTURE FLOTTANTE OU FIXE

L'invention concerne un dispositif de transport et de pose d'un pont (1) d'une plate-forme pétrolière sur une structure de support (3) flottante ou fixe, ledit dispositif comprenant deux barges (10) flottantes et parallèles de support du pont (1) et munies chacune de moyens (11) de déplacement dudit pont entre une position d'appui sur les barges (10) et une position d'appui sur la structure (3). Chaque barge (10) comporte des moyens (15) et de contrôle du roulis de chaque barge (10) par rapport au pont (1) lors de la pose dudit pont sur la structure de support (3). A device for transporting and placing a bridge (1) of an offshore oil rig onto a floating or stationary mounting structure (3). The device has two parallel floating barges (10) for mounting the bridge (1). Each barge has a set of vertical movement rams (11) that move the bridge between a position of bearing on the barges (10) and a position of bearing on the structure (3). Each barge (10) has at least one assembly (15) for controlling the roll of each barge (10) in relation to the bridge (1) during the placement of the bridge onto the mounting structure (3). The assembly includes at least two rams (16) that are carried by the barge (10) and are located on both sides of the longitudinal axis of the barge (10). Each ram (16) is connected to the bridge (1) by a connecting member (17) that has rigid pull and flexible compression.