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Evaluation of mass diffusion process considering based on porous geometric structure in concrete

Research Project

Project/Area Number 22760331
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Civil engineering materials/Construction/Construction management
Research InstitutionEhime University

Principal Investigator

OKAZAKI Shinichiro  愛媛大学, 理工学研究科, 助教 (30510507)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywordsコンクリート / 空隙幾何構造 / 塩化物イオン / フライアッシュ / 毛管浸潤試験 / X線CT / 高炉スラグ微粉末
Research Abstract

The aim of this research is to reveal the Chloride ion diffusion in unsaturated porous media from the aspect of the porous geometric structure. Capillary absorption method by sea water revealed that Chloride ion cannot diffuse from water seepage front to unsaturated area in case of fly ash concrete. Also, the mechanism of strong mass transfer resistance of fly ash concrete was elucidated by experimental and analytical method about pore structure in concrete.

Report

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

    (6 results)

All 2012 2011

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (3 results)

  • [Journal Article] 養生の相違がフライアッシュコンクリートの物質移動抵抗性および空隙組織構造に与える影響2012

    • Author(s)
      岡崎慎一郎, 氏家勲
    • Journal Title

      材料

      Volume: (in press)

    • NAID

      130002085050

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Journal Article] 屈曲した狭小空間における流体の微速浸透現象の可視化2012

    • Author(s)
      岡崎慎一郎, 氏家勲
    • Journal Title

      コンクリート工学年次論文集

      Volume: (in press)

    • Related Report
      2011 Final Research Report
  • [Journal Article] 屈曲した狭小空間における流体の微速浸透現象の可視化2012

    • Author(s)
      岡崎慎一郎, 藤原広季, 氏家勲, 門田章宏
    • Journal Title

      コンクリート工学年次論文集

      Volume: Vol.34(in press)

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] フライアッシュの混和が透水性に与える影響2012

    • Author(s)
      杉本淳, 岡崎慎一郎, 氏家勲
    • Organizer
      平成24年度土木学会四国支部第18回技術研究発表会概要集
    • Related Report
      2011 Final Research Report
  • [Presentation] コンクリート中の液状水浸潤および空隙構造が果たす塩化物イオン拡散への影響2011

    • Author(s)
      岡崎慎一郎, 氏家勲
    • Organizer
      平成23年度土木学会全国大会第62回年次学術講演会講演集
    • Related Report
      2011 Final Research Report
  • [Presentation] コンクリート中の液状水浸潤が果たす塩化物イオン拡散への影響2011

    • Author(s)
      杉本淳, 土井佐記, 岡崎慎一郎, 氏家勲
    • Organizer
      平成23年度土木学会四国支部第17回技術研究発表会概要集,257-285
    • Related Report
      2011 Final Research Report

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Published: 2010-08-23   Modified: 2016-04-21  

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