E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/8, 61/9
E02B 17/00 (2006.01) B63B 35/08 (2006.01) E02B 1/00 (2006.01) E04H 5/02 (2006.01) E04H 9/16 (2006.01)
Patent
CA 1139114
ABSTRACT An apparatus is disclosed for minimizing the horizontal forces on an offshore arctic structure due to ice movement. The structure includes a base portion, sloped side walls and a smooth, unobstructed top portion. The structure is substantially submerged in a body of water with the top portion at or near the water surface permitting floating ice sheets which strike the side walls to flex slightly upward and advance along and over the structure without substantially destroying the overall integrity of the ice sheet. In this manner, the horizontal forces on the structure resulting from the ice sheet are minimized due to the elimination of a crushing failure mode of the ice sheet commonly associated with conventional offshore arctic structures. -16-
353396
Borden Ladner Gervais Llp
Exxon Production Research Company
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