PROTECTIVE PERFORMANCE OF MOVABLE BREAKWATERS AGAINST STORM SURGE AND TSUNAMI

DOI Web Site 1 References Open Access
  • ARIKAWA Taro
    中央大学 理工学都市環境学科
  • KAWAI Koki
    日本工営株式会社 海外事業本部交通都市事業部港湾・空港部
  • TOKUNAGA Shogo
    中央大学大学院理工学研究科都市人間環境学専攻
  • SEKI Katsumi
    株式会社水域ネットワーク

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Other Title
  • 隙間を有する可動式防波堤の高潮・津波に対する防御性能の検討

Abstract

<p> In this research, the protective performance of the movable breakwater with gap against the long waves like storm surge was examined by physical experiment and numerical simulations. In the hydraulic experiments, the characteristics of the flow through the gap were clarified using the steady flow. The results indicated that the apparent gap was different between cylinders and pipes and was in propotion to the water level difference. Next, the evaluation method by using the numerical simulations were verified to apply to the ports with complex shape using a real-scale virtual water channel. According to the results, the protection performance was affected by the size of the port and the height of waves and could be estimated by the rough estimation method.</p>

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