Gravity base structure of an offshore platform resisting to...

Details Gravity base structure of an offshore platform resisting to... Gravity base structure of an offshore platform resisting to...

E - Fixed Constructions

02

D

61/53, 114/58.2

E02D 23/00 (2006.01) E02B 17/00 (2006.01) E02B 17/02 (2006.01)

Patent

CA 2033135

The structure comprises a concrete monolithic caisson (3) consisting of a top slab (5) and a bottom slab (5') resting on a seabed, of two concentric peripheral walls (6, 7), an inner and an outer respectively, designed to withstand the impacts of icebergs, these two walls (6, 7) extending substantially vertically between the slabs (5, 5') and rigidly connected with them. Vertical partitions are arranged between the two walls so as to connect them in a lattice structure. Vertical defensive elements (8, 9) are disposed over at least a part of the periphery of the caisson. According to the invention, the defensive elements (8, 9) are integral with the outer wall of the caisson (3). Application to a platform structure located in Arctic regions for production in a hydrocarbon field.

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