Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base
Patent
1987-11-17
1989-03-21
Corbin, David H.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With pivotal connection between work deck and base
405224, E02B 1700
Patent
active
048138150
ABSTRACT:
Structures for providing a stable platform in or above the water and capable of surviving extreme environmental conditions and of minimizing risk and damage to itself and to vessels in the event of a collision. A disclosed structure includes a base mooring element fixed to the seafloor, a positively buoyant column having a base end and an opposite end, at least one articulated joint between the column base end and the base mooring element permitting pivotal movement of the column, and at least one elastic element connected to the column for urging the column towards an equilibrium position and for providing a restoring force following displacements of the column from the equilibrium position. Significantly, buoyancy primarily serves the function of returning the column to a vertical or near-vertical position to facilitate location and repair in the event an elastic element is broken. Also significantly, the elastic element serves to control static and dynamic response to external forces, but is not vital to structural integrity.
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Clarke Dennis P.
Corbin David H.
University of Florida
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