Chapter
Jul 11, 2017
Coastal Structures and Solutions to Coastal Disasters Joint Conference 2015
Development and Installation of a Flap-Gate Seawall against Tsunamis
Authors: Yuichiro Kimura [email protected], Katsuya Shimizu [email protected], Masaaki Wani [email protected], Mitsuhiro Yasuda [email protected], Hiroki Kimura [email protected], and Hajime Mase [email protected]Author Affiliations
Publication: Coastal Structures and Solutions to Coastal Disasters 2015: Tsunamis
ABSTRACT
A flap-gate type movable seawall, which usually lies down on the ground, rises up automatically by buoyancy during inundation by tsunamis or storm surges, and then it forms a continuous seawall. This structure keeps lying in usual time to secure traffic and landscape. In emergence time, it protects a target area against inundation without power machineries and human operation. This structure is named as NEORISE which means No Energy and no Operation RIsing SEawall. The 2011 Tohoku Earthquake gave damages to power machineries and communication systems of tsunami barrier gates and these tsunamis caused many casualties who tried to operate and close these gates. Structures for tsunami protection are required so as to avoid machinery failure and risk of operators. The NEORISE satisfies both of these requirements. In this paper, hydraulic experiments for confirming efficiency of the NEORISE, inspection for the practical structure, and installation on a field are described.
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REFERENCES
Kimura, Y. and Mase, H. (2014). “Numerical Simulation of a Rising Seawall for Coastal Flood Protection”, Journal of Waterway, Port, Coastal, and Ocean Eng., ASCE, Vol. 140(3), 04014002.
Kimura, Y., Wakunaga, T., Yasuda, M., Kimura, H., Kani, N. and Mase, H. (2015). “Development and Verification of Wall-Flap-Gate as an Inundation Defence for Nuclear plants”, 23rd Structural Mechanics in Reactor Technology, Manchester, U.K.
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Published In
Coastal Structures and Solutions to Coastal Disasters 2015: Tsunamis
Pages: 212 - 218
Editors: Louise Wallendorf, U.S. Naval Academy and Daniel T. Cox, Ph.D., Oregon State University
ISBN (Online): 978-0-7844-8031-1
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Jul 11, 2017
Published in print: Jul 11, 2017
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Authors
Affiliations
Technical Reaserch Institute, Hitachizosen Co., Inc., P.O. Box 551-0022, 2-11, Funamachi-2, Taisyo-ku, Osaka, JAPAN. E-mail: [email protected]
Tokushima Prefectural Government, General Transportation Bureau, P.O. Box 770-8570, 1, Mandaicyo-1, Tokushima, JAPAN. E-mail: [email protected]
Chubu Electric Power Co., Inc., Nagoya, P.O. Box 461-8680, Toshincyo-1, Higashi-ku, Nagoya, JAPAN. E-mail: [email protected]
Chubu Electric Power Co., Inc., Nagoya, P.O. Box 461-8680, Toshincyo-1, Higashi-ku, Nagoya, JAPAN. E-mail: [email protected]
Chubu Electric Power Co., Inc., Nagoya, P.O. Box 461-8680, Toshincyo-1, Higashi-ku, Nagoya, JAPAN. E-mail: [email protected]
Disaster Prevention Research Institute, Kyoto Univ., P.O. Box 611-0011, Gokasyo, Uji-shi, Kyoto, JAPAN. E-mail: [email protected]
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