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Centrifuge model tests on stability of soil structure due to heavy rainfall

Research Project

Project/Area Number 19760332
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Geotechnical engineering
Research InstitutionToyota National College of Technology

Principal Investigator

KOBAYASHI Makoto  Toyota National College of Technology, 環境都市工学科, 准教授 (30390462)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,200,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywords地盤防災 / 豪雨災害 / 盛土 / アンカー式補強土壁 / 斜面崩壊 / 遠心模型実験 / 盛土斜面 / 補強盛土 / 盛士斜面
Research Abstract

A series of centrifuge model tests were carried out to investigate the performance of embankment and multi-anchored soil wall during rainfall. The conclusions of this study are followed. 1)It is necessary to consider the apparent cohesion of soil for surface failure of embankment, because it would lose with disappearance the suction originated from increasing the degree of saturation. 2)Surface failure was occurred suddenly in the case with the embankment which structured with low degree of saturation in spite of difference intensity of the rain. 3)Heavy rain that classified the terribly rain (over 80mm/hr) caused the surface failure immediately despite of same amount of rain. 4)It is important to maintain the drainage of reinforced soil wall for stable condition during rain.

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (20 results)

All 2010 2009 2008

All Journal Article (11 results) (of which Peer Reviewed: 10 results) Presentation (9 results)

  • [Journal Article] Influence of ground condition and rainfall intensity on failure mechanism of embankment due to heavy rainfall2009

    • Author(s)
      M. KOBAYASHI, A. HIROOK
    • Journal Title

      International Joint Symposium on Geotdisaster Prevention and Geoenvironment in Asia

      Pages: 96-101

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 盛土斜面の地盤条件および降雨強度が豪雨時の盛土斜面の崩壊機構に及ぼす影響について2009

    • Author(s)
      小林睦, 廣岡明彦
    • Journal Title

      降雨と地震に対する斜面崩壊機構と安定性評価に関するシンポジウム論文集

      Pages: 259-264

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 盛土の地盤条件および降雨強度が豪雨時の盛土斜面の崩壊機構に及ぼす影響について2009

    • Author(s)
      小林睦
    • Journal Title

      降雨と地震に対する斜面崩壊機構と安定性評価に関するシンポジウム論文集

      Pages: 259-264

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Influence of ground condition and rainfall intensity on failure mechanism of embankment due to heavy rainfall2009

    • Author(s)
      小林睦
    • Journal Title

      Proc.of International joint symposium on geodisaster prevention and geoenvironment in asia

      Pages: 96-101

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 降雨浸透時におけるアンカー式補強土壁の挙動に関する遠心模型実験2008

    • Author(s)
      小林睦, 三浦均也, 小浪岳治
    • Journal Title

      土木構造・材料論文集 第24号

      Pages: 129-139

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 豪雨時の斜面崩壊機構に関する遠心力場散水シミュレーション2008

    • Author(s)
      小林睦, 廣岡明彦, 西垣美歩子
    • Journal Title

      地盤工学会誌 vol.56,No.10

      Pages: 34-37

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 豪雨時の斜面崩壊メカニズムに関する遠心力場散水シミュレーション2008

    • Author(s)
      小林睦, 廣岡明彦, 松井みゆき
    • Journal Title

      第4回土砂災害に関するシンポジウム論文集

      Pages: 33-38

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 降雨浸透時のアンカー式補強土壁の遠心力実験2008

    • Author(s)
      小林睦, 三浦均也
    • Journal Title

      第20回中部地盤工学シンポジウム論文集

      Pages: 105-110

    • Related Report
      2009 Final Research Report
  • [Journal Article] 豪雨時の斜面崩壊メカニズムに関する遠心力場散水シミュレーション2008

    • Author(s)
      小林睦
    • Journal Title

      第4回土砂災害に関するシンポジウム論文集

      Pages: 33-38

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 豪雨時の盛土斜面の崩壊機構に関する遠心力場散水シミュレーション2008

    • Author(s)
      小林睦
    • Journal Title

      地盤工学会誌 Vol. 56

      Pages: 34-37

    • NAID

      110006950504

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 降雨浸透時におけるアンカー式補強土壁の挙動に関する遠心模型実験2008

    • Author(s)
      小林睦
    • Journal Title

      土木構造・材料論文集 24

      Pages: 129-136

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 豪雨時の多数アンカー式補強土壁の安定性評価について2010

    • Author(s)
      高岡翔
    • Organizer
      平成21年度土木学会中部支部研究発表会
    • Place of Presentation
      金沢工業大学
    • Year and Date
      2010-03-01
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] 降雨強度および盛土の法面勾配が豪雨時の盛土斜面の崩壊機構に与える影響について2009

    • Author(s)
      小林睦
    • Organizer
      第64回土木学会年次学術講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2009-09-03
    • Related Report
      2009 Final Research Report
  • [Presentation] 降雨強度および盛土の法面勾配が豪雨時の盛土斜面崩壊機構に与える影響について2009

    • Author(s)
      小林睦
    • Organizer
      第64回土木学会年次学術講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2009-09-03
    • Related Report
      2009 Annual Research Report
  • [Presentation] 降雨浸透時の多数アンカー式補強土壁の安定性評価について2009

    • Author(s)
      小林睦
    • Organizer
      第44回地盤工学研究発表会
    • Place of Presentation
      関東学院大学
    • Year and Date
      2009-08-20
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] 遠心力場模型実験による豪雨時シミュレーション2008

    • Author(s)
      小林睦
    • Organizer
      第63回土木学会年次学術講演会
    • Place of Presentation
      東北大学
    • Year and Date
      2008-09-11
    • Related Report
      2009 Final Research Report
  • [Presentation] 遠心力模型実験による豪雨シミュレーション2008

    • Author(s)
      小林睦
    • Organizer
      第63回土木学会年次学術講演会
    • Place of Presentation
      東北大学
    • Year and Date
      2008-09-11
    • Related Report
      2008 Annual Research Report
  • [Presentation] 多数アンカー式補強土壁の排水性能に関する遠心模型実験2008

    • Author(s)
      小林睦
    • Organizer
      第43回地盤工学研究発表会
    • Place of Presentation
      広島国際会議場
    • Year and Date
      2008-07-11
    • Related Report
      2009 Final Research Report
  • [Presentation] 豪雨時の斜面崩壊メカニズムに関する遠心力模型実験2008

    • Author(s)
      松井みゆき
    • Place of Presentation
      広島国際会議場
    • Year and Date
      2008-07-09
    • Related Report
      2009 Final Research Report
  • [Presentation] 豪雨時の斜面崩壊メカニズムに関する遠心模型実験2008

    • Author(s)
      松井みゆき
    • Organizer
      第43回地盤工学研究発表会
    • Place of Presentation
      広島国際会議場
    • Year and Date
      2008-07-09
    • Related Report
      2008 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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