Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1988-04-07
1990-05-08
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
405195, 114264, 114294, 52230, B63B 3544, B63B 2150, D07B 100, E02D 2906
Patent
active
049233378
ABSTRACT:
According to the invention a steel tube is prestressed longitudinally. This prestress is advantageously exerted by cables (20) extending along the tube (10) either inside the tube or outside the tube, and prevented from moving transversely relative to the tube, said cables being constituted by fibers (of glass, of carbon, or of other inorganic materials), having a breaking strength which is greater than that of steel. Such a structure is particularly applicable to anchoring a taut line type oil production platform (200) at sea. In this case, the advantages of inorganic fibers and of steel are combined, thereby taking advantage of the very high breaking strength in traction of the fibers in order to prestress the steel which can then be subjected to much lower stress than the fibers, thus considerably reducing the elongation of the anchor lines.
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Bouyguess Offshore
Ricci John
Taylor Dennis L.
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