Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection
Patent
1981-10-14
1988-01-26
Stodola, Nancy J.
Hydraulic and earth engineering
Marine structure or fabrication thereof
Structure protection
405195, 73 405A, E02D 2100, G01M 308
Patent
active
047214139
ABSTRACT:
A marine platform comprising a structure composed of a lattice of tubular elements sealingly connected to one another, includes a crack detection system comprising pickups provided on at least some of the elements and adapted to detect the passage of fluid through a wall, each pickup including an autonomous energy source and an acoustic signal transmission means. A signal acquisition unit adapted to receive signals from the pickups is disposed on a non-submerged part of the platform.
REFERENCES:
patent: 4021773 (1977-05-01), Keenan
patent: 4043180 (1977-08-01), Morris et al.
patent: 4104906 (1978-08-01), Oertle
patent: 4116044 (1978-09-01), Garrett
patent: 4143540 (1979-03-01), Peterson et al.
patent: 4289019 (1981-09-01), Claytor
Blondy Rene
Crohas Henri
Compagnie Francaise des Petroles
Stodola Nancy J.
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