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Study on long-term large settlement behavior of clay ground related to clay structure failure and construction of its prediction theory

Research Project

Project/Area Number 21560530
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionKure National College of Technology

Principal Investigator

MORIWAKI Takeo  呉工業高等専門学校, 環境都市工学分野, 教授 (00166456)

Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2009: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords地盤工学 / 国土整備 / モデル化 / 地盤沈下 / 圧密
Research Abstract

It is reported that the observed values of the consolidation settlement of clay ground were larger than the values predicted by the existing consolidation theories. In this study, the newly developed consolidation tests were carried out on the naturally deposited clays under constant loading and cyclic loading to evaluate the skeleton structure of clay. It was clarified that the change in the skeleton structure of clay is influenced by the loading pattern and the destruction of the skeleton structure is larger under the cyclic loading than under the constant loading as the consolidation time goes by. Furthermore, the new consolidation model was established to express these settlement behaviors.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (5 results)

All 2012 2011 2010

All Presentation (5 results)

  • [Presentation] 自然堆積粘土の圧密に伴う骨格構造の変化に関する研究2012

    • Author(s)
      森脇武夫、脇岡宏行
    • Organizer
      平成24年度土木学会中国支部研究発表会発表概要集
    • Place of Presentation
      呉市
    • Year and Date
      2012-06-09
    • Related Report
      2011 Final Research Report
  • [Presentation] 圧密に伴う不撹乱自然堆積粘土の骨格剛性の変化について2011

    • Author(s)
      森脇武夫, 金森悠
    • Organizer
      第46回地盤工学研究発表会発表講演集
    • Place of Presentation
      神戸商工会議所(神戸市)
    • Year and Date
      2011-07-06
    • Related Report
      2011 Annual Research Report
  • [Presentation] 圧密に伴う不撹乱自然堆積粘土の骨格剛性の変化について2011

    • Author(s)
      森脇武夫,金森悠
    • Organizer
      第46回地盤工学研究発表会発表講演集
    • Place of Presentation
      神戸市
    • Year and Date
      2011-07-05
    • Related Report
      2011 Final Research Report
  • [Presentation] ベンダーエレメント付き分割型圧密試験装置による粘土の圧密過程中のせん断弾性係数の測定2010

    • Author(s)
      森脇武夫,山崎裕也
    • Organizer
      第45回地盤工学研究発表会発表講演集
    • Place of Presentation
      松山市
    • Year and Date
      2010-08-20
    • Related Report
      2011 Final Research Report
  • [Presentation] ベンダーエレメント付き分割型圧密試験装置による粘土の圧密過程中のせん断弾性係数の測定2010

    • Author(s)
      森脇武夫, 山崎裕也
    • Organizer
      第45回地盤工学研究発表会
    • Place of Presentation
      愛媛大学(松山市)
    • Year and Date
      2010-08-20
    • Related Report
      2010 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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