FIELD: shipbuilding; semisubmersible floating structures. SUBSTANCE: semisubmersible floating structure - support made in form of vertical cylinder includes reinforced concrete ballasted foundation unit equipped with extensible supports and ropes secured to it by lower ends. Ropes are used for vertical coupling with reinforced concrete units made in form of cylindrical rings with ballasted chambers and mounted on foundation unit, thus forming inner cavity. Horizontal and vertical hydraulic seals are provided between units. Thus multi-functional deep-water semisubmersible structure is obtained with cavities for various technologies required for performing jobs in deep water or in insular structures. EFFECT: enhanced reliability. 6 dwg
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