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Evaluation of safety for embankment due to rain fall and earth quake

Research Project

Project/Area Number 22560497
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionAshikaga Institute of Technology

Principal Investigator

NISHIMURA Tomoyoshi  足利工業大学, 工学部, 教授 (00237736)

Co-Investigator(Renkei-kenkyūsha) TOYOTA Hirofumi   (90272864)
Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords不飽和土 / サクション / 繰返し三軸試験 / 液状化 / 降雨浸透 / 加圧膜法 / 水分特性曲線 / 相対密度 / 三軸圧縮試験 / 過剰間隙水
Research Abstract

This study obtained as followings; SWCC is useful to conduct effective stress analysis for unsaturated soils. Collapse behavior performed during seepage and applying of suction that influence to unsaturated soil properties. At cyclic loading triaxial tests under undrained conditions, excess pore-water pressure occurred a few. Other hands, unsaturated soils due to seepage described that excess pore-water ratio approached to 1.0 and took a failure as fully saturated soil. Also suction control technique was developed through this test program.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (19 results)

All 2013 2012 2011

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (7 results)

  • [Journal Article] Application of micro-porous membrane technology for measurement of soil-water characteristic curve2013

    • Author(s)
      Nishimura, T
    • Journal Title

      第18回国際地盤工学会議

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Liquefaction test of compacted, unsaturated soil and saturated soil with controlling matric suction2013

    • Author(s)
      Nishimura, T
    • Journal Title

      The 5th INTERNATIONAL GEOTECHNICAL SYMPOSIUMIGS-Incheon 2013

      Pages: 279-284

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] 不飽和・飽和繰返し三軸試験方法の試み 大ひずみ領域を考慮した2013

    • Author(s)
      西村友良・松本政文
    • Journal Title

      土の繰返しせん断特性に関するシンポジウム

      Pages: 117-124

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Micro-porous membrane technology for measurement of soil-water characteristic curve2012

    • Author(s)
      Nishimura, T., J. Koseki
    • Journal Title

      Geotechnical Testing Journal, ASTM

      Volume: Vol.35 Pages: 201-208

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of effective stress of an unsaturated soil under cyclic loading2012

    • Author(s)
      Nishimura, T
    • Journal Title

      Proceedings of the International symposium on Earthquake-Induced Landslides

      Pages: 537-546

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Determination of air entry value for different compacted unsaturated soils2012

    • Author(s)
      Nishimura, T., Koseki, J. & Rahardjo, H
    • Journal Title

      Proceedings of the 2nd International Conference on Transportation Geotechnics

      Pages: 604-609

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Micro-porous membrane technology for measurement of soil-water characteristic curve.2012

    • Author(s)
      Nishimura, T.
    • Journal Title

      Geotechnical Testing Journal, the American Society for Testing and Materials, American Society for Testing and Materials.

      Volume: Vol. 35. Pages: 201-208

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Determination of air entry value for different compacted unsaturated soils.2012

    • Author(s)
      Nishimura, T.
    • Journal Title

      Proceedings of the 2nd Internatinal Conference on Transportation Geotechnics, 2nd ICTG, IS-Hokkaido 2012.

      Volume: Vol.1. Pages: 604-609

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of effective stress of an unsaturated soil under cyclic loading.2012

    • Author(s)
      Nishimura, T.
    • Journal Title

      Proceedings of the International symposium on Earthquake-Induced Landslides.

      Volume: Vol.1 Pages: 537-546

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Micro-porous membrane technology for measurement of soil-water characteristic curve2012

    • Author(s)
      T.Nishimura, J.Koseki, D.G.Fredlund, H.Rahardjo
    • Journal Title

      Geotechnical Testing Journal, ASTM

      Volume: 35 Pages: 201-208

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Change of matric suction under undrained condition in relatively low matric suction ranges2011

    • Author(s)
      T.Nishimura, J.Koseki
    • Journal Title

      Fifth International Symposium on Deformation Characteristics of Geomaterials

      Pages: 787-792

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of density for sand on hysteresis in soil-water characteristic curve2011

    • Author(s)
      T.Nishimura, J.Koseki, H.Rahardjo
    • Journal Title

      5th Asia-Pacific Conference on Unsaturated Soils

      Pages: 391-396

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] 不飽和履歴を受けた不飽和土の繰返し三軸試験結果2013

    • Author(s)
      松本政文・西村友良・古関潤一
    • Organizer
      第48回地盤工学研究発表会
    • Related Report
      2012 Final Research Report
  • [Presentation] 不飽和履歴を受けた不飽和土の繰返し三軸試験結果2013

    • Author(s)
      松本政文
    • Organizer
      第48回地盤工学研究発表会
    • Place of Presentation
      富山
    • Related Report
      2012 Annual Research Report
  • [Presentation] 浸透作用を受けた不飽和シルトの強度定数2013

    • Author(s)
      西村友良
    • Organizer
      第48回地盤工学研究発表会
    • Place of Presentation
      富山
    • Related Report
      2012 Annual Research Report
  • [Presentation] 加圧膜法を用いた不飽和繰返し非排水三軸試験2012

    • Author(s)
      松本政文・西村友良
    • Organizer
      第47回地盤工学研究発表会
    • Related Report
      2012 Final Research Report
  • [Presentation] 加圧膜法を用いた不飽和繰返し非排水三軸試験2012

    • Author(s)
      松本政文
    • Organizer
      第47回地盤工学研究発表会
    • Place of Presentation
      八戸工業大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 加圧膜法による低サクション領域の非塑性シルトの水分特性曲線2012

    • Author(s)
      西村友良
    • Organizer
      第47回地盤工学研究発表会
    • Place of Presentation
      八戸工業大学
    • Related Report
      2012 Annual Research Report
  • [Presentation] 排気条件が異なる不飽和シルトの間隙水圧の挙動2011

    • Author(s)
      松本政文・西村友良・古関潤一
    • Organizer
      第46回地盤工学研究発表会
    • Place of Presentation
      神戸国際会議場
    • Year and Date
      2011-07-05
    • Related Report
      2011 Annual Research Report

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Published: 2010-11-30   Modified: 2019-07-29  

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