Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Patent
1997-08-11
1999-08-24
Graysay, Tamara
Hydraulic and earth engineering
Bank, shore, or bed protection
Wave or flow dissipation
E02B 306
Patent
active
059416610
ABSTRACT:
Beds for wave dissipation having a lattice frame are arranged near a shore line of a shore and wave dissipating materials are stacked on the beds to make a wave dissipating structure, and sand is accumulated on the land side behind the wave dissipating structure. The wave dissipating structure (20) constructed by placing and stacking wave dissipating materials on a lattice frame (10) sinks in proportion to the amount of sand scoured away around the structure or at the bottom thereof, without scattering of the wave dissipating materials by ocean waves, the sinking stops when the effect of ocean waves is not exerted, ocean waves collide with the head part of the wave dissipating structure, crushed waves containing a lot of sand rushes up, and the carried sand is left in backwashing to be accumulated on the land side behind the wave dissipating structure (20). Thus, the sand ground surface (8) rises to a place (9).
REFERENCES:
patent: 9309 (1852-01-01), Pray
patent: 618319 (1899-01-01), Averill
patent: 1165194 (1915-12-01), Maccaferri
patent: 1489428 (1924-04-01), Cushing
JPO English Abstract of Pub. No. 57019406, Jan. 2, 1982, Ishikura.
Graysay Tamara
Lagman Frederick
Soken Kogyo Co., Ltd.
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