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Dec 31, 2015
Permeable Seawall with Reservoir and the Use of “Warock”
Authors: Takeshi Ijima, Enzoh Tanaka, and Hideaki OkuzonoAuthor Affiliations
Publication: Coastal Engineering 1976
Abstract
Interesting facts that a uniformly permeable seawall of vertical faces with appropriate reservoir has remarkable characteristics of absorbing wave energy even for long period waves in the same degree of usual sloped-face seawall and that these characteristics appear most clearly for permeable seawall of trapezoidal cross-section with backward-sloped reservoir wall are found theoretically and experimentally. Moreover, it is shown that a perforated wall with reservoir has similar characteristics to those for uniformly permeable wall with reservoir.
“Warock” is a type of concrete blocks which was invented in order to realize the wave absorbing seawall in practical works. Several examples of ever constructed wave absorbing seawalls, quaywalls and breakwaters by means of “Warock” in Japan are introduced.
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Published In
Coastal Engineering 1976
Pages: 2623 - 2642
Copyright
© 1977 American Society of Civil Engineers.
History
Published online: Dec 31, 2015
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Authors
Affiliations
Takeshi Ijima
Professor: Faculty of Engineering, Kyushu University, Fukuoka, JAPAN
Enzoh Tanaka
Head: Wave Research Laboratory, Sansei Construction Co. Ltd. Hakata-Ekimae, Hakata-Ku, Fukuoka 812, JAPAN
Hideaki Okuzono
Research Assistant, Kyushu University, Fukuoka, JAPAN
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