Semi-submersible floating structure

Details Semi-submersible floating structure Semi-submersible floating structure

1978-07-12

1981-06-23

Blix, Trygve M.

Ships

Floating platform

Multiple leg

B63B 3544

Patent

active

042743567

ABSTRACT:
A semi-submersible floating structure includes a horizontal platform with a symmetrical arrangement of buoyant bodies extending vertically downwardly from the platform. The buoyant bodies consist of a tubular column secured by a bending-resistant connection to the platform with a closed container secured to and extending downwardly from the lower end of the tubular column. The horizontal cross-sectional area of the closed container is for most of its vertical height greater than the transverse cross-sectional area of the tubular column. At least the lower portion of the closed container has a curvilinear surface. An annular wall extends around and is spaced radially outwardly from each of the closed containers and the wall, in combination with the enclosed container, forms an annular chamber therebetween open at the bottom and closed at the top. The platform and the buoyant bodies are formed of reinforced concrete or prestressed concrete.

REFERENCES:
patent: 2667038 (1954-01-01), Bayley
patent: 2889795 (1959-06-01), Parks
patent: 3397545 (1968-08-01), Leavitt
patent: 3507239 (1970-04-01), Wipkink et al.
patent: 3592155 (1971-07-01), Rosenberg
patent: 3605669 (1971-09-01), Yu

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