Pitch period reduction apparatus for tension leg platforms

Details Pitch period reduction apparatus for tension leg platforms Pitch period reduction apparatus for tension leg platforms

1985-03-27

1986-04-29

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With anchoring of structure to marine floor

114265, E02B 1700, B63B 3544

Patent

active

045853738

ABSTRACT:
A tension leg platform is provided with exterior buoyant columns located outside the normal tension leg platform structure. The exterior columns decrease the pitch period of the tension leg platform away from the point of concentration of the largest wave spectrum energy encountered at a particular marine location. Modification of the pitch period of the tension leg platform in this manner reduces the cyclic fatigue stresses in the tension legs of the platform, and thereby increases the useful life of the platform structure.

REFERENCES:
patent: 3285213 (1966-11-01), Whittle
patent: 3739737 (1973-06-01), Baier
patent: 3996755 (1976-12-01), Kalinowski
patent: 4423983 (1984-01-01), Dadiras et al.
patent: 4540314 (1985-09-01), Falkner

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