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Design of urban green infrastructure aimed at eliminating tsunami evacuation difficulty area

Research Project

Project/Area Number 18K04659
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 25030:Disaster prevention engineering-related
Research InstitutionThe University of Tokushima

Principal Investigator

YAMANAKA Ryoichi  徳島大学, 環境防災研究センター, 准教授 (50361879)

Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords津波 / 数値解析 / 土地利用 / 面的防護 / 低未利用地 / 都市防災 / グリーンインフラ / 流況制御 / 複合災害 / 高潮 / 海面上昇 / ハイブリッドインフラ / 都市計画 / 津波解析 / 避難解析 / 避難可能性 / 数値流体力学 / 津波防災 / グリーンインフラストラクチャー / 避難困難地域
Outline of Final Research Achievements

The objective of this study is to reduce tsunami damage in urban areas near the coast and to increase the possibility of local reconstruction. We proposed a structure that would both control tsunamis and be used in daily life on Underutilized Land, and studied its tsunami reduction effect through a case study. The study consisted of a land use survey of the target site, a study of various plans such as master plans, a proposal of countermeasures based on these plans, and a numerical analysis to evaluate the tsunami reduction effect of the proposed countermeasures. The results of the study showed that the placement of fill, land locks, and wave barriers were effective in preventing the tsunami run-up. This indicates that the spatial arrangement of countermeasures may be able to impede tsunami run-up to some extent.

Academic Significance and Societal Importance of the Research Achievements

研究成果の学術的意義としては、市街地での津波浸水を軽減する方法として、日常利用される防災施設を地域の歴史・風土・ニーズに基づき合理的に提案するプロセスを示したことと、これらによる津波軽減効果をより引き出すための方策として、津波の遡上過程に合わせた対策構造物の配置が有効であり、それによる効果がどの程度かを数値的に示したことである。社会的な意義としては、本研究により市街地での振興を含めた防災対策により、建物の残存による現地復興の可能性が向上する可能性があることが示されたことから、今後このようなコンセプトを都市計画に導入することにより、より安全で活気ある地域づくりにつながることが挙げられる。

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (9 results)

All 2023 2022 2021

All Journal Article (3 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] EFFECTIVENESS OF TSUNAMI MITIGATION STRUCTURES ON UNDERUTILIZED URBAN AREAS: A CASE STUDY ON REDUCING TSUNAMI DAMAGE TO BUILDINGS2023

    • Author(s)
      Ryoichi Yamanaka, Taku Mikami, Moe Takino,Toshitaka Baba,Kosuke Nakagawa, Yasunori Kozuki
    • Journal Title

      (Proceedings of )37th International Conference on Coastal Engineering (ICCE 2022)(in print)

      Volume: -

    • Related Report
      2022 Annual Research Report
  • [Journal Article] WAVE CHARACTERISTICS AT OSATO COAST, KAIYO-CHO, TOKUSHIMA PREFECTURE, JAPAN, DURING TYPHOON NO.19 IN 20192023

    • Author(s)
      Kosuke Nakagawa,Ryoichi Yamanaka,Hironori Okegawa,Yasunori Kozuki,Mahito Kamada,Yasunori Muto
    • Journal Title

      (Proceedings of )37th International Conference on Coastal Engineering (ICCE 2022)(in print)

      Volume: -

    • Related Report
      2022 Annual Research Report
  • [Journal Article] Effectiveness and Sustainability of Coastal Hybrid Infrastructures for Low-Frequency Large-Scale Disasters: A Case Study of Coastal Disaster Assessment for a Complex Disaster.2022

    • Author(s)
      Yamanaka, R., Nakagawa, K.
    • Journal Title

      Nakamura, F. (eds) Green Infrastructure and Climate Change Adaptation. Ecological Research Monographs. Springer, Singapore.

      Volume: 1 Pages: 305-321

    • DOI

      10.1007/978-981-16-6791-6_19

    • ISBN
      9789811667909, 9789811667916
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 徳島県海陽町大里海岸における2019年台風19号来襲時の波浪特性について2022

    • Author(s)
      中川頌将, 山中亮一, 桶川博教, 安田真哉, 瀧野萌, 上月康則
    • Organizer
      土木学会四国支部第28回技術研究発表会
    • Related Report
      2022 Annual Research Report
  • [Presentation] 市街地内における津波多重防護策の提案とその効果について2022

    • Author(s)
      山中亮一, 瀧野萌, 三上卓, 中川頌将, 上月康則, 松重摩耶, 馬場俊孝, 安田真哉
    • Organizer
      土木学会四国支部第28回技術研究発表会
    • Related Report
      2022 Annual Research Report
  • [Presentation] EFFECTIVENESS OF TSUNAMI MITIGATION STRUCTURES ON UNDERUTILIZED URBAN AREAS: A CASE STUDY ON REDUCING TSUNAMI DAMAGE TO BUILDINGS2022

    • Author(s)
      Ryoichi Yamanaka, Taku Mikami, Moe Takino,Toshitaka Baba,Kosuke Nakagawa, Yasunori Kozuki
    • Organizer
      37th International Conference on Coastal Engineering (ICCE 2022)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] WAVE CHARACTERISTICS AT OSATO COAST, KAIYO-CHO, TOKUSHIMA PREFECTURE, JAPAN, DURING TYPHOON NO.19 IN 20192022

    • Author(s)
      Kosuke Nakagawa,Ryoichi Yamanaka,Hironori Okegawa,Yasunori Kozuki,Mahito Kamada,Yasunori Muto
    • Organizer
      37th International Conference on Coastal Engineering (ICCE 2022)
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 市街地内における津波多重防護策の提案とその効果について2022

    • Author(s)
      山中亮一,瀧野萌,三上卓,中川頌将,上月康則,松重摩耶,馬場俊孝,安田真哉
    • Organizer
      土木学会四国支部技術研究発表会概要集
    • Related Report
      2021 Research-status Report
  • [Presentation] 河川を有する港町での建物堅牢化による津波浸水過程への影響について2021

    • Author(s)
      山中亮一,三上卓,中川頌将,瀧野萌,馬場俊孝,上月康則
    • Organizer
      土木学会四国支部技術研究発表会概要集
    • Related Report
      2021 Research-status Report 2020 Research-status Report

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Published: 2018-04-23   Modified: 2024-01-30  

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