土木学会論文集B2(海岸工学)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
論文
流起式可動防波堤の小型模型による性能評価水理実験
東 良慶伊藤 忠男半田 英明山敷 亮平石 哲也菅野 高弘
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2014 年 70 巻 2 号 p. I_951-I_955

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This study aim to evaluate the fundamental performance of the Hydroplane Tsunami Barrier by using the 1/200 scale hydraulic model. The Hydroplane Tsunami Barrier is a kind of movable breakwater. The main body is fixed to the pedestal by the special rubber belt, and it rises by hydraulic force due to tsunami and storm surge. The effectiveness of this breakwater for tsunami countermeasures is indicated through experiments of response characteristics for hydraulic force, wave force acting on the main body and the damping effect for wave height. As a result, it is revealed that water pressure acting by the maximum wave height is larger than the impact force due to the rotation of the main body. It was confirmed that the damping effect increases with the height of the tsunami.

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