Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Patent
1985-06-03
1987-05-19
Corbin, David H.
Hydraulic and earth engineering
Bank, shore, or bed protection
Wave or flow dissipation
264 33, 405 43, 405 51, 405258, 405284, 405287, E02B 306, E02B 1100
Patent
active
046663347
ABSTRACT:
An erosion control system is disclosed which includes a seawall for protecting dunes or bluffs located adjacent a body of water. The seaward side of the seawall is notched or concave to direct incoming waves upwardly and outwardly, away from the base of the seawall and the bluff. The landward side is also notched or concave. This side is backfilled with soil which acts on the back surfaces of the seawall to lock the seawall into place. The erosion control system also includes a drain field that is installed below the bluff, behind the seawall. The drain field is in communication with the body of water via pipes extending through the seawall. The drain removes water from the bluff, thus decreasing the hydrostatic pressures within the bluff. This stabilizes the bluff itself and the seawall by decreasing the forces associated with hydrostatic pressure.
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