Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Patent
1979-01-26
1980-09-09
Frazier, Roy D.
Hydraulic and earth engineering
Bank, shore, or bed protection
Wave or flow dissipation
428 17, 428 23, E02B 304
Patent
active
042215005
ABSTRACT:
Synthetic seaweed for use in inhibiting coastal erosion comprises an elongate anchor with at least one sheet of flexible non-woven material adjacent thereto. A first edge portion of the sheet is secured to the anchor along at least a portion thereof so that the sheet extends outwardly from the anchor terminating at an outer boundary edge. The flexible, non-woven sheet has a series of spaced apart substantially parallel cuts extending from the outer boundary edge to but not through the first edge portion to thereby define a plurality of flexible strips integrally connected by the first edge portion of the sheet. The sheet may be buoyant with or without tabs of closed cell, low density foam affixed to the free end portions of the individual strips to enhance the buoyancy thereof. Also, the sheet may have a specific gravity greater than water with such tabs applied to the strip to provide buoyancy. In use, the anchor rests upon the bottom of the sea and the submerged flexible strips of non-woven material extend upwardly therefrom. The strips sway in the ocean water thereby reducing currents in the surrounding water which permits accretion of suspended sand and promotes sedimentation of solid particles.
REFERENCES:
patent: 3299640 (1967-01-01), Nielsen
patent: 3540415 (1970-11-01), Bromley
patent: 3559407 (1971-02-01), Schuur
patent: 3590585 (1971-07-01), De Winter
patent: 3726096 (1973-04-01), Bahre
Beck Richard M.
Frazier Roy D.
Grosz Alexander
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