Inclined leg jack-up platform with flexible leg guides

Details Inclined leg jack-up platform with flexible leg guides Inclined leg jack-up platform with flexible leg guides

1990-06-07

1992-03-03

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

405198, 405227, E02B 1708

Patent

active

050927124

ABSTRACT:
The invention relates to an offshore platform assembly which uses inclined legs. The improved assembly provides for the use of a floatable hull which has a plurality of cylindrical wells extending vertically through the hull body and a plurality of legs which are supported by the hull in transit and which support the hull in a working condition. Each chord of the supporting leg passes through a corresponding well formed in the hull and compresses a flexible guide positioned within the well of the hull to reduce the bending moment imposed on the leg during elevation of the hull, induced by the sagging of the hull or by severe storm. The flexible guide has a compressible member which moves laterally, to a limited distance, to absorb the bending moment. The compressible member can be a resilient sleeve, a spring or other laterally movable and adjustable member.

REFERENCES:
patent: 4270877 (1981-06-01), Post
patent: 4318640 (1982-03-01), Schiemichen et al.
patent: 4479401 (1984-10-01), Korkut
patent: 4657437 (1987-04-01), Breeden

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