Device for preventing beach erosion

Details Device for preventing beach erosion Device for preventing beach erosion

1980-09-15

1983-01-11

Taylor, Dennis L.

Hydraulic and earth engineering

Bank, shore, or bed protection

Wave or flow dissipation

405 21, 405 35, E02B 304

Patent

active

043679781

ABSTRACT:
An off-shore reef-like structure for preventing beach erosion. The structure comprises a string of prism-shaped modules placed in side-by-side relation in the surf area along a line defined by a sand bar, for example, where waves normally break. Each module has oppositely inclined front and rear walls adapted to face seaward and landward, respectively. At least one flow control passage extends through the module so as to converge from its front to rear wall openings. Incoming waves flow through the passage in a manner dissipating the wave energy while minimizing the wave impact forces tending to move the module. An opening is provided in the module bottom wall in communication with a through conduit enabling the module to fixedly seat or interlock itself in either sandy or coral-like shoreline areas. The module is uniquely designed to provide a minimal air lifting load for helicopter installation.

REFERENCES:
patent: 2474786 (1949-06-01), Humphrey
patent: 2755631 (1956-07-01), Hayden
patent: 3280569 (1966-10-01), Wosenitz
patent: 3386250 (1968-06-01), Katayama
patent: 3844125 (1974-10-01), William
patent: 4129006 (1978-12-01), Payne

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