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Erosion mechanism by the 2011 tsunami and the effective countermeasure

Research Project

Project/Area Number 26289158
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Hydraulic engineering
Research InstitutionTohoku University

Principal Investigator

MANO Akira  東北大学, 災害科学国際研究所, 名誉教授 (50111258)

Co-Investigator(Kenkyū-buntansha) 呉 修一  東北大学, 災害科学国際研究所, 助教 (00646995)
有働 恵子  東北大学, 災害科学国際研究所, 准教授 (80371780)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥15,080,000 (Direct Cost: ¥11,600,000、Indirect Cost: ¥3,480,000)
Fiscal Year 2016: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2015: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2014: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Keywords間隙水圧 / 有限体積法 / 准3次元モデル / 浅水モデル / 空気圧縮係数 / 水圧縮係数 / 津波波力 / 津波 / 侵食 / 構造物 / 液状化 / 局所洗掘 / 侵食メカニズム / 堆積構造
Outline of Final Research Achievements

Destructive and wide spanning erosions by tsunamis and storm surge often obstruction for rebuild. The reconstruction requires breaking mechanism to build robust structures. This study accounts two measure mechanisms, bottom shear stress and liquefaction, and find robust structures.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Annual Research Report
  • 2014 Annual Research Report

Research Products

(10 results)

All 2017 2016 2015 2014

All Journal Article (8 results) (of which Acknowledgement Compliant: 3 results,  Peer Reviewed: 7 results,  Open Access: 5 results) Presentation (2 results)

  • [Journal Article] 植生のある高レイノルズ数流れにおけるk-εモデルの提案2017

    • Author(s)
      平田吉成,呉修一,有働恵子,真野明
    • Journal Title

      東北地域災害科学研究

      Volume: 53 Pages: 89-94

    • Related Report
      2016 Annual Research Report
    • Acknowledgement Compliant
  • [Journal Article] Prediction of the 2011 Tohoku Tsunami Scouring near Structures2016

    • Author(s)
      Tatsuki Iida, Shuichi Kure, Keiko Udo, Akira Mano and Hitoshi Tanaka
    • Journal Title

      Journal of Coastal Research

      Volume: SI 75 Pages: 872-876

    • DOI

      10.2112/si75-175.1

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 液状化を考慮した津波の戻り流れによる構造物周辺の洗掘メカニズム2015

    • Author(s)
      飯田立樹、呉修一、有働恵子、真野明、田中仁
    • Journal Title

      土木学会論文集B2

      Volume: 71巻-2

    • NAID

      130005109313

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Destruction Patterns and mechanisms of Coastal Levees on the Sendai Bay Coast Hit by the 2011 Tsunami2014

    • Author(s)
      Tatsuki Iida、 Akira Man、o Keiko Udo、 Hitoshi Tanaka
    • Journal Title

      Advances in Natural and Technological Hazards Research

      Volume: 35 Pages: 309-320

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 東北地方太平洋沖地震津波による海岸堤防破堤箇所周辺の浸食要因の考察2014

    • Author(s)
      飯田立樹, 呉 修一, 有働恵子, 真野 明, 田中 仁
    • Journal Title

      土木学会論文集B1 (水工学)

      Volume: 170 Pages: 1153-1158

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] k-εモデルによる植生のある急勾配流れの乱れ予測2014

    • Author(s)
      平田吉成, 真野 明, 有働恵,子 呉 修一
    • Journal Title

      土木学会論文集B1 (水工学)

      Volume: 170 Pages: 859-864

    • NAID

      130005070129

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 東北三県における津波の河川遡上特性2014

    • Author(s)
      Hitoshi Tanaka, Mohammad Bagus Adityawan, Akira Mano
    • Journal Title

      土木学会論文集B1 (水工学)

      Volume: 170 Pages: 1165-1170

    • NAID

      130005070157

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Morphological changes at the Nanakita River mouth after the Great East Japan Tsunami of 20112014

    • Author(s)
      Hitoshi Tanaka, Mohammad Bagus Adityawan, Akira Mano
    • Journal Title

      Coastal Engineering Elsevier

      Volume: 186 Pages: 14-16

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Breaching mechanism analysis of coastal levees hit by 2011 Tsunami2014

    • Author(s)
      Tatsuki Iida, Shuich Kur,e Keiko Ud,o Akira Mano, Hitoshi Tanaka
    • Organizer
      the 19th IAHR-APD 2014 congress
    • Place of Presentation
      Hanoi, VIetnam
    • Year and Date
      2014-09-21 – 2014-09-23
    • Related Report
      2014 Annual Research Report
  • [Presentation] Prediction of turbulence flow in steep slopes with vegetation by k-εturbulent model2014

    • Author(s)
      Yoshinari Hirata, Shuichi Kure, Keiko Udo, Akira Mano
    • Organizer
      the 19th IAHR-APD 2014 congress
    • Place of Presentation
      Hanoi, Vietnam
    • Year and Date
      2014-09-21 – 2014-09-23
    • Related Report
      2014 Annual Research Report

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Published: 2014-04-04   Modified: 2018-03-22  

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