Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Patent
1986-06-12
1989-04-04
Taylor, Dennis L.
Hydraulic and earth engineering
Bank, shore, or bed protection
Wave or flow dissipation
405 21, 405 31, E02B 306
Patent
active
048181412
ABSTRACT:
Disclosed is a device for protecting against beach erosion. The device has a supporting platform that rests on the sea bottom, and an upwardly curved surface extending from the platform. In one embodiment the concave side faces incoming waves and the convex side faces the seabed. The upwardly curved surface deflects incoming waves upwardly, thus breaking the major portion of their force before they impact upon the beach. The platform and curved surface together form a wall like a barrier that blocks the path of sand washed from the beach, so as to trap the sand for reclaimation before it migrates so far out to seat to be lost irretrievably. The platform can have extending from it anchoring feet to anchor the device in the seabed. In another embodiment the disposition of these convex and concave surfaces is reversed. Incoming waves are broken to a lesser extent, enabling these waves to aid beach buildup by washing submerged sand blocked by the device back onto the beach, much like the known, natural, process by which gentle breaking waves wash up sand trapped in sea grasses.
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DiMaggio Dale P.
Taylor Dennis L.
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