Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1981-06-26
1983-03-29
Corbin, David H.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
405224, E02B 1700
Patent
active
043781799
ABSTRACT:
A compliant pile system for supporting the vertical weight of a guyed tower structure installed in a body of water. The pile system is comprised of at least one pile element which in turn is comprised of a pile jacket and a pile member. The pile jacket extends from one point in the structure to a second point which lies above the first point and is attached at only one point to the structure. The pile member passes through the pile jacket and is forced into the marine bottom and is attached only at its upper end to the pile jacket. In one modification, the pile jacket is comprised of an odd number of concentrically positioned sleeves with the pile member being affixed to the top of the innermost sleeve and the outermost sleeve being affixed only at its bottom to the structure. The sleeves, if more than one, are attached to each other at their respective alternate ends. In another modification, the pile jacket is comprised of an even number of concentrically positioned sleeves with the pile member being affixed only at its upper end to the innermost sleeve and the outermost sleeve being affixed only at its upper end to the structure. The sleeves themselves are connected together only at alternating respective ends thereof. By constructing and affixing the pile jacket as described and affixing the pile member thereto only at its upper end, the effective length of the pile element is increased and its axial stiffness is reduced.
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"A New Deepwater Offshore Platform--The Guyed Tower", by L. D. Finn, OTC Paper No. 2688, presented at the Offshore Technology Conference, Houston, Texas, May 3-6, 1976.
"The Guyed Tower as a Platform for Integrated Drilling and Production Operations", by L. D. Finn, et al., Journal of Petroleum Technology, Dec. 1979, pp. 1531-1537.
"A Guyed Tower for North Sea Production", L. D. Finn, et al., Paper T-11/5, presented at the Offshore North Sea Technology Conference and Exhibition, Stavanger, Norway, Aug. 26-29, 1980.
"Design Criteria of a Pile Founded Guyed Tower", by A. Mangiavacchi, et al., OTC Paper No. 3882, presented at the Offshore Technology Conference, Houston, Texas, May 5-8, 1980.
"Evaluation of Concepts for Guyed Tower Foundations", by H. Hudson, et al., OTC Paper No. 4147, presented at the Offshore Technology Conference, Houston, Texas, May 4-7, 1981.
Bell K. A.
Corbin David H.
Delflache M. L.
Exxon Production Research Co.
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