Arrangement for anchoring the legs of a marine tension leg platf

Details Arrangement for anchoring the legs of a marine tension leg platf Arrangement for anchoring the legs of a marine tension leg platf

1989-06-14

1990-11-06

Reese, Randolph A.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

405195, 405203, 114293, 403349, E02D 574, B63B 2100, E02B 1702

Patent

active

049681834

ABSTRACT:
In an anchoring arrangement for releasable anchoring of the legs of a marine tension leg platform in a foundation on the sea floor, the lower ends of the tension legs with an end head (1) are lowered into a cylindrical anchoring casing (4). For anchoring the leg in the foundation, locking elements (7) are provided at the tension leg insertion end of casing (4), on the inside of the cylindrical casing wall, for cooperation with bosses (2) on tension leg head (1). Anchoring casing (4) is, furthermore, on the outside of its cylindrical wall, at the insertion end, provided with further bosses/grooves (10). The latter are intended for cooperation with bosses (14,15) and grooves which are provided on the inside of a cylindrical steel ring (13), which is intended to be integrallly moulded into the foundation on the sea floor. Over the end edges of casing (4) and the cylindrical integral ring (13) a locking ring (16) is provided on a contact face to provide additional fixation of the anchoring.

REFERENCES:
patent: 4320993 (1982-03-01), Hunter
patent: 4432670 (1984-02-01), Lawson
patent: 4459933 (1984-07-01), Burchett
patent: 4611953 (1986-09-01), Owens
patent: 4854777 (1989-08-01), Lemoine et al.
patent: 4869615 (1989-09-01), Galle

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