1976-06-11
1977-12-20
Taylor, Dennis L.
61 87, 61 88, 61 98, E02B 1700
Patent
active
040634264
ABSTRACT:
A marine structure comprising a plurality of hollow vertical columns tied permanently together by bracing elements at their lower and upper portions with cross bracing elements within their lengths to form a rigid tower, the columns having hollow feet open at their lower ends to be sunk into a sea bed, an excavating mechanism inside the feet for excavating sea bed material. Each column of the structure is floatable in water and is provided with inlet through which ballast may be introduced to sink it vertically in the water. A method of constructing a marine structure comprising making a plurality of hollow columns, bracing the columns together at their end portions and between their end portions to form a horizontally disposed rigid buoyant structure such that when erected on the sea bed no horizontal bracing members are in the critical wave zone, assembling hollow feet on the columns, floating the structure to the site with the columns substantially horizontal, ballasting one end portion of the columns to upend the structure into a substantially vertical position and to sink the structure onto the sea bed, and excavating the sea bed within the feet to enable the structure to be seated firmly in the upright position at a suitable foundation depth in the sea bed.
REFERENCES:
patent: 1063942 (1913-06-01), Phillips
patent: 1853379 (1932-04-01), Rotinoff
patent: 2398351 (1946-04-01), Baker
patent: 2775095 (1956-12-01), Harris
patent: 2857744 (1958-10-01), Swiger et al.
patent: 3128604 (1964-04-01), Sandberg
patent: 3815371 (1974-06-01), Koehler
Flocks Karl W.
Taylor Dennis L.
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