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Quality Assurance and Control for Ground Improvement Techniques

Research Project

Project/Area Number 19360218
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionIndependent Administrative Institution Port and Airport Research Institute

Principal Investigator

KITAZUME Masaki  Independent Administrative Institution Port and Airport Research Institute, 研究主監 (70359230)

Co-Investigator(Kenkyū-buntansha) HAYASHI Hirochika  独立行政法人土木研究所寒地土木研究所, 寒地基礎研究グループ寒地地盤チーム, 主任研究員 (00414178)
Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000)
Fiscal Year 2009: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2008: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2007: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Keywords地盤工学 / 国際協力 / 安定処理土 / 試験法
Research Abstract

Many researchers and engineers have discussed the importance of QA/QC of the improved ground focusing upon the quality of deep-mixed soil. This is because the deep-mixed soil plays an important role in the engineering behavior of the deep-mixed ground and the quality of deep-mixed soil depends upon a number of factors including the native soil conditions, the type and amount of binder, and on the production process although no one can observe the actual operation at depth. Regarding to the QA/QC, a questionnaire survey regarding protocols for laboratory mix test procedures for the deep mixing method (DMM) was undertaken. Based on the survey results, along with reviews of existing standards and guidelines, similarities and differences between protocols are discussed. Based on the survey outcomes, the international comparative laboratory tests were then carried out in order to identify the influence of different laboratory test procedures. In the study, the current practices worldwide on QA/QC for deep-mixed ground are also discussed.

Report

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

    (30 results)

All 2010 2009 2008 Other

All Journal Article (3 results) (of which Peer Reviewed: 2 results) Presentation (23 results) Remarks (4 results)

  • [Journal Article] 現地石灰安定処理土の長期特性調査2008

    • Author(s)
      北詰昌樹, 高橋英紀
    • Journal Title

      土木学会論文集

    • NAID

      130004468258

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] セメント改良した泥炭の改良強度に与える養生温度の影響2008

    • Author(s)
      城戸優一郎, 西本, 林宏親, 橋本
    • Journal Title

      寒地土木研究所月報 No. 663

      Pages: 11-18

    • NAID

      40016210654

    • Related Report
      2008 Annual Research Report
  • [Journal Article] 現地石灰安定処理土の長期特性調査2008

    • Author(s)
      北詰昌樹,高橋英紀
    • Journal Title

      土木学会、論文集 III部門(CD版)

    • NAID

      130004468258

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] ウェットグラブサンプリングによる現場深層混合処理土の強度評価について2010

    • Author(s)
      北詰昌樹, 西村聡
    • Organizer
      地盤工学会, 第45回地盤工学研究発表会
    • Place of Presentation
      松山市
    • Year and Date
      2010-08-18
    • Related Report
      2009 Annual Research Report
  • [Presentation] 異なる養生温度条件におけるセメント改良土の強度発現と骨格構造の変化2010

    • Author(s)
      橋本聖, 西本聡, 林宏親
    • Organizer
      地盤工学会, 第45回地盤工学研究発表会
    • Place of Presentation
      松山市
    • Year and Date
      2010-08-18
    • Related Report
      2009 Annual Research Report
  • [Presentation] ウェットグラブサンプリングによる現場深層混合処理土の強度評価について2010

    • Author(s)
      北詰昌樹, 西村聡
    • Organizer
      地盤工学会, 第45回地盤工学研究発表会
    • Place of Presentation
      松山
    • Year and Date
      2010-08-16
    • Related Report
      2009 Final Research Report
  • [Presentation] 異なる養生温度条件におけるセメント改良土の強度発現と骨格構造の変化2010

    • Author(s)
      橋本聖, 西本聡, 林宏親
    • Organizer
      地盤工学会, 第45回地盤工学研究発表会
    • Place of Presentation
      松山
    • Year and Date
      2010-08-16
    • Related Report
      2009 Final Research Report
  • [Presentation] 異なる養生温度条件下でのセメント改良泥炭の強度発現傾向2010

    • Author(s)
      橋本聖, 西本聡, 林宏親
    • Organizer
      第50回地盤工学会北海道支部技術報告会
    • Place of Presentation
      札幌
    • Year and Date
      2010-02-01
    • Related Report
      2009 Final Research Report
  • [Presentation] Quality assurance of cement treated soil by wet grab sampler, Proc.2009

    • Author(s)
      北詰昌樹, 西村聡
    • Organizer
      of International Symposium on Ground Improvement Technologies and Case Histories
    • Place of Presentation
      シンガポール
    • Year and Date
      2009-12-03
    • Related Report
      2009 Final Research Report
  • [Presentation] 27 Years' investigation on property of in-situ quicklime treated clay2009

    • Author(s)
      北詰昌樹, 高橋英紀
    • Organizer
      Proc. of the International Conference on Soil Mechanics and Geotechnical Engineering
    • Place of Presentation
      アレキサンドリア
    • Year and Date
      2009-10-14
    • Related Report
      2009 Final Research Report
  • [Presentation] Applications of DM to regional soils in Okinawa Prefecture2009

    • Author(s)
      福田利夫, 北詰昌樹
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] Influence of specimen preparation and curing conditions on unconfined compression behaviour of cement-treated clay2009

    • Author(s)
      北詰昌樹, 西村聡
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] International Collaborative study on QA/QC for Deep Mixing -Proposal-2009

    • Author(s)
      北詰昌樹, 寺師昌明
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] International Collaborative Study Task 1: Investigation into Practice of Laboratory Mix Tests as Means of QC/QA for Deep Mixing Method2009

    • Author(s)
      北詰昌樹, 西村聡, 寺師昌明, 大石幹太
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] International Collaborative Study Task 2 Report: Interpretation of comparative test program2009

    • Author(s)
      北詰昌樹, 大石幹太, 西村聡, 寺師昌明
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] Current Practice and Future Perspective of QA/QC for Deep-Mixed Ground2009

    • Author(s)
      寺師昌明, 北詰昌樹、Keynote Lecture
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] Strength Characteristics of Peaty Ground Improved by Deep Cement Mixing and Its Quality Control2009

    • Author(s)
      林宏親, 西本聡
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] Effects of Curing Temperatures on Strength of Cement-Treated Peat2009

    • Author(s)
      城戸優一郎, 西本聡, 林宏親, 橋本聖
    • Organizer
      Proc. of the International Symposium on Deep Mixing and Admixture Stabilization
    • Place of Presentation
      沖縄
    • Year and Date
      2009-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] 寒冷地における養生温度を考慮したセメント改良泥炭の強度の把握2009

    • Author(s)
      城戸優一郎, 西本聡, 林宏親, 橋本聖
    • Organizer
      第44回地盤工学研究発表会発表講演集
    • Place of Presentation
      横浜
    • Related Report
      2009 Final Research Report
  • [Presentation] セメント改良した泥炭の強度と積算温度の関係2009

    • Author(s)
      城戸優一郎, 西本聡, 林宏親, 橋本聖
    • Organizer
      第49回地盤工学会北海道支部技術報告会
    • Place of Presentation
      北見
    • Related Report
      2009 Final Research Report
  • [Presentation] 現地石灰安定処理土の27年にわたる耐久性調査2008

    • Author(s)
      北詰昌樹, 高橋英紀
    • Organizer
      地盤工学会,第43回地盤工学研究発表会
    • Place of Presentation
      広島市
    • Year and Date
      2008-07-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] セメントによる泥炭の地盤改良強度に与える養生温度の影響2008

    • Author(s)
      城戸優一郎, 西本, 林宏親, 橋本
    • Organizer
      地盤工学会,第43回地盤工学研究発表会
    • Place of Presentation
      広島市
    • Year and Date
      2008-07-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] セメント改良した泥炭における養生温度が改良強度へ与える影響2008

    • Author(s)
      城戸優一郎、西本聡、林宏親
    • Organizer
      地盤工学会北海道支部年次技術報告会
    • Place of Presentation
      札幌市
    • Year and Date
      2008-02-04
    • Related Report
      2007 Annual Research Report
  • [Presentation] トレンチャー式攪拌工法で施工された地盤の強度特性とその管理方法について2008

    • Author(s)
      橋本聖、西本聡、林宏親
    • Organizer
      地盤工学会北海道支部年次技術報告会
    • Place of Presentation
      札幌市
    • Year and Date
      2008-02-04
    • Related Report
      2007 Annual Research Report
  • [Presentation] 現地石灰安定処理土の27年にわたる耐久性調査2008

    • Author(s)
      北詰昌樹, 高橋英紀
    • Organizer
      地盤工学会, 第43回地盤工学研究発表会
    • Related Report
      2009 Final Research Report
  • [Presentation] セメント改良した泥炭における養生温度が改良強度に与える影響2008

    • Author(s)
      城戸優一郎, 西本聡, 林宏親, 橋本聖
    • Organizer
      第48回地盤工学会北海道支部技術報告会
    • Place of Presentation
      札幌
    • Related Report
      2009 Final Research Report
  • [Remarks] ホームページ等

    • URL

      http://jiban-htdocs.pari.go.jp/index.php

    • Related Report
      2009 Final Research Report
  • [Remarks]

    • URL

      http://jiban-htdocs.pari.go.jp/index.php

    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://jiban-htdocs.pari.go.jp/index.php

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://jiban-htdocs.pari.go.jp/index.php

    • Related Report
      2007 Annual Research Report

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

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