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Development of one phase flow model to reproduce the transition phenomena among different sediment transport types and application of the model to bed deformation analysis

Research Project

Project/Area Number 24760394
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Hydraulic engineering
Research InstitutionKyoto University

Principal Investigator

TAKEBAYASHI Hiroshi  京都大学, 防災研究所, 准教授 (70325249)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords土砂災害 / 流砂形態 / 河床変動解析 / 土石流 / 泥流 / 数値解析 / 掃流砂 / 浮遊砂 / 数値シミュレーション / 流砂 / 河床変動 / 平面二次元河床変動解析 / 一流体モデル
Outline of Final Research Achievements

Two layer model which has laminar debris flow near bed surface and turbulent mud flow on the laminar flow (and laminar bed load near bed surface and turbulent suspended flow on the laminar flow) is developed and derived a formula of the layer thickness of the laminar debris flow. These models are introduced the general coordinate horizontal two dimensional bed deformation model. The bed deformation model is applied to the mud flow phenomena which was occurred in Izuoshima Island and debris flow phenomena which was occurred in Yagi 3 chome, Asa Minamiku, Hiroshima.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (10 results)

All 2014

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Acknowledgement Compliant: 2 results) Presentation (5 results) (of which Invited: 3 results) Book (1 results)

  • [Journal Article] Numerical analysis of mud flow on volcanic island2014

    • Author(s)
      Hiroshi Takebayashi Shinji Egashira and Masaharu Fujita
    • Journal Title

      Proceedings of 2014 International Debris-Flow Workshop, IDFW

      Volume: 1

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Issues of sediment control structures and hazardous areas learnt from 2013 sediment induced disaster in Izu-Ohshima2014

    • Author(s)
      Shinji Egashira, Hiroshi Takebayashi, Masato Sekine and Nobutomo Osanai
    • Journal Title

      Proceedings of 2014 International Debris-Flow Workshop, IDFW

      Volume: 1

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ropagation characteristics of surge produced by landslides2014

    • Author(s)
      Hiroshi Takebayashi, Masaharu Fujita, Tetsuro Kajihara
    • Journal Title

      Proceedings of INTERPRAEVENT International Symposium 2014, INTERPRAEVENT

      Volume: 1

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Numerical Analysis of Mud Flow on Volcanic Island2014

    • Author(s)
      Hiroshi Takebayashi, Shinji Egashira, Masaharu Fujita
    • Journal Title

      Proceedings of International Debris-Flow Workshop

      Volume: 4

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 2013年10月に伊豆大島で発生した泥流の流動特性2014

    • Author(s)
      竹林洋史・藤田正治・江頭進治
    • Organizer
      平成26年度砂防学会研究発表会
    • Place of Presentation
      新潟
    • Year and Date
      2014-05-28 – 2014-05-30
    • Related Report
      2014 Annual Research Report
  • [Presentation] Basic equations of horizontal two dimensional debris flow analysis in general coordinate system2014

    • Author(s)
      Hiroshi Takebayashi
    • Organizer
      EGU General Assembly
    • Place of Presentation
      ウィーン
    • Year and Date
      2014-04-28 – 2014-05-02
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 2013年10月に伊豆大島で発生した泥流の流動特性2014

    • Author(s)
      竹林洋史
    • Organizer
      平成26年度(公社)砂防学会研究発表会
    • Place of Presentation
      新潟市
    • Related Report
      2013 Research-status Report
  • [Presentation] 平成25年台風26号による伊豆大島豪雨災害2014

    • Author(s)
      竹林洋史
    • Organizer
      第11回ジオテク研究会
    • Place of Presentation
      大阪市
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] 2013年10月伊豆大島豪雨災害2014

    • Author(s)
      竹林洋史
    • Organizer
      第44回ダム流砂技術研究会
    • Place of Presentation
      京都市
    • Related Report
      2013 Research-status Report
    • Invited
  • [Book] 河川工学2014

    • Author(s)
      竹林洋史
    • Total Pages
      200
    • Publisher
      コロナ社
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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