Lifting process and structure for sea-fish farming in deep waters

The present invention relates to a method for lifting a structure intended for sea-fish farming in deep waters, and to the corresponding structure. The method consists generally in displacing, by draining ballast tanks 4, 4', the centre of pressure P so that this is not (or does not remain) vertical with the centre of gravity G, the structure still being in contact with the bottom 10. This results in a tilting moment which "detaches" the structure from the bottom and facilitates its removal. The ballast tanks form an integral part of the structure. LA PRESENTE INVENTION EST RELATIVE A UNE METHODE DE RELEVAGE D'UNE STRUCTURE DESTINEE A L'AQUACULTURE EN EAUX PROFONDES ET A LA STRUCTURE CORRESPONDANTE.LA METHODE CONSISTE, EN GENERAL, A DEPLACER, PAR VIDANGE DE BALLASTS 4, 4 LE CENTRE DE POUSSEE P DE MANIERE A CE QUE CELUI-CI NE SOIT PAS (OU NE RESTE PAS) A LA VERTICALE DU CENTRE DE GRAVITE G, LA STRUCTURE ETANT ENCORE EN CONTACT SUR LE FOND 10. IL EN RESULTE UN COUPLE DE BASCULEMENT QUI "DECOLLE" LA STRUCTURE DU FOND ET FACILITE SON EXTRACTION.LES BALLASTS FONT PARTIE INTEGRANTE DE LA STRUCTURE.