ICE-TYPE TANKER HULL (VERSIONS) Russian patent published in 2006 - IPC B63B25/12 B63B35/08 B63B3/20 B63B3/60 

FIELD: shipbuilding; construction of ice-type tanker hulls.

SUBSTANCE: proposed tanker has hull with bottom, inner bottom, vertical sides, ballast tanks, upper deck and cargo zone with cargo tanks located over larger part of its length. Double sides have inner and outer plating forming inter-side space divided vertically by upper inter-side platform located in upper third of tank height. Inner plating of side is structurally combined with respective longitudinal bulkheads of some cargo tanks. Longitudinal bulkheads are flat in construction and are provided with vertical pillars on section extending from inner bottom as far as upper inter-side platform and with longitudinal stiffeners on section from upper inter-side platform as far as upper deck; framing members are located inside inter-side space. Tanks are divided in pairs by center corrugated longitudinal bulkhead; corrugated bulkheads are provided with horizontal corrugations and with at least one pillar located on deep frame in each tank.

EFFECT: enhanced damage resistance and durability of tanker.

17 cl, 6 dwg