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Functional assessment of irrigation earth structures considering piping and overflowing

Research Project

Project/Area Number 20880017
Research Category

Grant-in-Aid for Young Scientists (Start-up)

Allocation TypeSingle-year Grants
Research Field Irrigation, drainage and rural engineering/Rural planning
Research InstitutionOkayama University

Principal Investigator

FUJISAWA Kazunori  Okayama University, 大学院・環境学研究科, 助教 (30510218)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥2,821,000 (Direct Cost: ¥2,170,000、Indirect Cost: ¥651,000)
Fiscal Year 2009: ¥1,183,000 (Direct Cost: ¥910,000、Indirect Cost: ¥273,000)
Fiscal Year 2008: ¥1,638,000 (Direct Cost: ¥1,260,000、Indirect Cost: ¥378,000)
Keywords機能診断 / 土質構造物 / 堤体 / パイピング / 越流 / 侵食
Research Abstract

This study has challenged to reveal the mechanism of embankment failure owing to overflow, as well as piping phenomenon, and to predict the damage of the earth structures for irrigation and flood prevention. The study has proposed the analyzing scheme of the temporal development of piping, has theoretically and experimentally showed the failure mechanism of embankments due to overflow, and has enabled the time required for the failure to be predicted. These results are now combined with risk analysis, which leads to the functional assessment of the soil structures.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (24 results)

All 2009 2008 Other

All Journal Article (12 results) (of which Peer Reviewed: 9 results) Presentation (12 results)

  • [Journal Article] 侵食速度を用いた土粒子流亡によるパイピングの進展解析2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Journal Title

      応用力学論文集(土木学会) Vol.12

      Pages: 395-403

    • NAID

      40016868748

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 豪雨時の越流破堤に対するため池の信頼性設計2009

    • Author(s)
      西村伸一, 森俊介, 藤澤和謙, 村上章
    • Journal Title

      応用力学論文集(土木学会) Vol.12

      Pages: 89-97

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 粒子フィルタによる地盤解析のデータ同化2009

    • Author(s)
      村上章, 西村伸一, 藤澤和謙, 中村和幸, 樋口知之
    • Journal Title

      応用力学論文集(土木学会) Vol.12

      Pages: 99-105

    • NAID

      40016868717

    • Related Report
      2009 Final Research Report
  • [Journal Article] 土の内部で生じる土粒子侵食の解析手法2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Journal Title

      農業農村工学会論文集 第260号

      Pages: 85-93

    • NAID

      10025641135

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 土の内部で生じる土粒子侵食の解析法2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Journal Title

      農業農村工学会論文集 260

      Pages: 85-93

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 侵食速度を用いた土粒子流亡によるパイピングの進展解析2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Journal Title

      応用力学論文集, 土木学会 12

      Pages: 395-403

    • NAID

      40016868748

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 豪雨時の越流破堤に対するため池堤体の信頼性設計2009

    • Author(s)
      西村伸一, 森俊輔, 藤澤和謙, 村上章
    • Journal Title

      応用力学論文集, 土木学会 12

      Pages: 89-97

    • NAID

      40016868716

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 粒子フィルタによる地盤解析のデータ同化2009

    • Author(s)
      村上章, 西村伸一, 藤澤和謙, 中村和幸, 樋口知之
    • Journal Title

      応用力学論文集, 土木学会 12

      Pages: 99-105

    • NAID

      40016868717

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical analysis of erosion and migration of soil particles within soil mass2009

    • Author(s)
      K.Fujisawa, A.Murakami, S.Nishimura
    • Journal Title

      Proceedings of the international symposium on prediction and simulation methods for geohazard mitigation

      Pages: 139-144

    • Related Report
      2009 Annual Research Report
  • [Journal Article] Coupled problem of saturated-unsaturated seepage flow and internal erosion of soils2009

    • Author(s)
      K.Fujisawa, D.Niina, A.Murakami, S.Nishimura
    • Journal Title

      Proceedings of 4th Asia-Pacific Conference on Unsaturated Soils

      Pages: 837-842

    • Related Report
      2009 Annual Research Report
  • [Journal Article] 土の内部で生じる土粒子侵食の解析手法2009

    • Author(s)
      藤澤和謙, 村上 章, 西村伸一
    • Journal Title

      農業農村工学会論文集 77(2)

      Pages: 191-199

    • NAID

      10025641135

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Numerical analysis of the erosion and the transport of fine particles within soils leading to the piping phenomenon

    • Author(s)
      K. Fujisawa, A. Murakami, S. Nishimura
    • Journal Title

      Soils and Foundations (Accepted)

    • NAID

      130004552434

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Presentation] Coupled problem of saturated-unsaturated seepage flow and internal erosion of soils2009

    • Author(s)
      K.Fujisawa
    • Organizer
      4th Asia-Pacific Conference on Unsaturated Soils
    • Place of Presentation
      ニューカッスル(オーストラリア)
    • Year and Date
      2009-11-23
    • Related Report
      2009 Annual Research Report
  • [Presentation] 侵食速度を用いた土粒子流亡によるパイピングの進展解析2009

    • Author(s)
      藤澤和謙
    • Organizer
      応用力学シンポジウム
    • Place of Presentation
      福岡
    • Year and Date
      2009-09-01
    • Related Report
      2009 Annual Research Report
  • [Presentation] 土内部の土粒子流亡に起因する集中流の進展解析2009

    • Author(s)
      藤澤和謙
    • Organizer
      第58回理論応用力学講演会
    • Place of Presentation
      東京
    • Year and Date
      2009-06-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] Numerical analysis of erosion and migration of soil particles_within soil mass2009

    • Author(s)
      K.Fujisawa
    • Organizer
      IS-KYOT02009
    • Place of Presentation
      京都
    • Year and Date
      2009-05-25
    • Related Report
      2009 Annual Research Report
  • [Presentation] 土構造物の内部で生じる細粒分の流亡に関する数値解析2009

    • Author(s)
      藤澤和謙
    • Organizer
      日本計算工学会第14回計算工学講演会
    • Place of Presentation
      東京
    • Year and Date
      2009-05-14
    • Related Report
      2009 Annual Research Report
  • [Presentation] 土内部の土粒子流亡に起因する集中流の進展解析2009

    • Author(s)
      藤澤和謙
    • Organizer
      第58回理論応用力学講演会講演
    • Place of Presentation
      東京
    • Related Report
      2009 Final Research Report
  • [Presentation] 土構造物の内部で生じる細粒分の流亡に関する数値解析2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Organizer
      計算工学講演会
    • Place of Presentation
      東京
    • Related Report
      2009 Final Research Report
  • [Presentation] 土の侵食速度測定装置とその計測2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Organizer
      農業農村工学会大会講演会
    • Place of Presentation
      つくば
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] 土内部の土粒子移動に起因するパイピングの進展解析2009

    • Author(s)
      藤澤和謙, 村上章, 西村伸一
    • Organizer
      第44回地盤工学研究発表会
    • Place of Presentation
      横浜
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] Numerical modeling of internal erosion of soils ; Examples of simple numerical analysis2008

    • Author(s)
      Kazunori Fujisawa
    • Organizer
      The 4th International Workshop on Frontiers of Computational Geomechanics
    • Place of Presentation
      ピッツバーグ
    • Year and Date
      2008-10-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] 越流による破堤時間の推定2008

    • Author(s)
      藤澤和謙, 小林晃, 村上章
    • Organizer
      農業農村工学会大会講演会講演
    • Place of Presentation
      秋田
    • Related Report
      2009 Final Research Report
  • [Presentation] 越流による堤体侵食2008

    • Author(s)
      藤澤和謙, 小林晃, 山本清仁, 木山正一
    • Organizer
      計算工学講演会
    • Place of Presentation
      仙台
    • Related Report
      2009 Final Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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