Offshore platform for ice-covered waters

Details Offshore platform for ice-covered waters Offshore platform for ice-covered waters

1977-10-07

1978-08-01

Stein, Mervin

61104, E02D 3100, E02B 1502

Patent

active

041035046

ABSTRACT:
The invention introduces a semi-rigid interface between a moving ice field and a stationary offshore platform. The invention employs a plurality of cables which extend from points located around the periphery of the platform above the ice-covered water to corresponding points on the submerged portion of the structure, forming a protective shield of evenly spaced cables around the structure. The cables may then be caused to vibrate at predetermined frequencies, thereby reducing the frictional forces of the ice against the structure and additionally including a self-destructive natural frequency in the surrounding ice field. A compressible bladder or filler is used between the cables and the structure to prevent ice buildup behind the cables.

REFERENCES:
patent: 355214 (1886-12-01), Romaine
patent: 2915879 (1959-12-01), Besse
patent: 3462960 (1969-08-01), Bruehl
patent: 3696624 (1972-10-01), Bennett
patent: 3717115 (1973-02-01), Abendroth
patent: 3807179 (1974-04-01), Stone

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