Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Patent
1987-09-23
1990-09-25
Taylor, Dennis L.
Hydraulic and earth engineering
Bank, shore, or bed protection
Wave or flow dissipation
405 21, 405 25, E02B 304
Patent
active
049589563
ABSTRACT:
A resilient wave reducing structure which reduces waves propagating on liquid surface from propagating over the reducing structure and a method of constructing the wave reducing structure. The wave reducing structure of the present invention may be used to form a calm water surface region for harbors, for areas where construction work is being done or for areas where marine sports are to be performed etc. The resilient wave reducing structure includes at least one energy absorbing device having a resilient body constructed on a bottom of the liquid bounding the region where waves have to be reduced and filled with surrounding ambient liquid. This reduces the amplitude of waves passing over it by consuming the wave energy while it deforms according to the pressure distribution change caused by the waves and by radiating its kinetic energy into the liquid and the ground surrounding it. Because the wave reducing structure is resilient and deeply submerged under water, it does not hinder ships from passing over it. Therefore, it becomes possible to create a calm region on a liquid surface without hindering a navigation of ships and without creating a danger of wrecking the ships.
REFERENCES:
patent: 3191386 (1965-06-01), Wiegel et al.
patent: 3197963 (1965-08-01), Frederiksen
Ocean Technology by: Y. Iwagaki et al., Kyroitsu Publishing Company.
Effects of Width of Barrier Structures Restraining Ability Thereof by: S. Naig et al Symposium for Ocean Technology, 1977.
Experimental Study on Propagation and Reflection Characteristics of Submerged Flexible Mounds by: M. Tanaka et al, 34th Symposium for Ocean Technology 1987.
Wave Restraining Characteristics of Resilient Membrane Structure by: M. Tanaka et al, 42nd Symposium for Civil Engineering, Sep., 1987.
Hirayama Akihiko
Ichii Seiji
Katsura Yutaka
Kiyokawa Tetsushi
Ohyama Takumi
McBee J. Russell
Shimizu Construction Co. Ltd.
Taylor Dennis L.
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