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Durability improvement of steel-making slag concrete

Research Project

Project/Area Number 19560461
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Civil engineering materials/Construction/Construction management
Research InstitutionOkayama University

Principal Investigator

AYANO Toshiki  Okayama University, 大学院・環境学研究科, 教授 (10212581)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2009: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords鉄鋼スラグ水和固化体 / 凍結融解抵抗性 / 乾燥収縮ひずみ / 水酸化カルシウム / ポゾラン / 全水量 / 製鋼スラグ / 高炉スラグ / 耐久性 / 中性化 / 塩化物イオン / 強度 / 鐵鋼スラグ水和固化体
Research Abstract

Steel-making slag concrete is made of ground granulated blast furnace slag and hot metal pretreatment slag that are by-products at ironworks. This type of construction materials is called environmental conscious material in Japan. This study shows that the strength of steel-making slag concrete depends on pH of steel-making slag concrete after mixing. It also shows that the resistance to carbonation and steel rod corrosion of steel-making slag concrete is high for a long time due to calcium hydroxide leaching from hot metal pretreatment slag. However, resistance to freezing and thawing of steel-making slag concrete is quite low. In this paper, the method to enhance the resistance to freezing and thawing is shown.

Report

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

    (14 results)

All 2009 2008 2007 Other

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (3 results) Remarks (2 results)

  • [Journal Article] 高炉水砕スラグを用いたセメント硬化体の耐硫酸性に関する研究2009

    • Author(s)
      藤井隆史, 細谷多慶, 松永久宏, 綾野克紀
    • Journal Title

      コンクリート工学年次論文集 Vol. 31, No. 1

      Pages: 847-852

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 鉄鋼スラグ水和固化体の強度発現性に及ぼすアルカリ刺激材の影響2009

    • Author(s)
      松永久宏, 藤井隆史, 綾野克紀
    • Journal Title

      コンクリート工学年次論文集 Vol. 31, No. 1

      Pages: 1831-1836

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 高炉スラグを用いたコンクリートの耐久性に関する研究2009

    • Author(s)
      藤井隆史, 西野隆, 細谷多慶, 綾野克紀
    • Journal Title

      コンクリート構造物の補修, 補強, アップグレード論文報告集 Vol. 9

      Pages: 57-62

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Drying shrinkage of recycled concrete, Creep2008

    • Author(s)
      T. Ayano, T. Fujii, K. Sakata
    • Journal Title

      shrinkage and durability mechanics of concrete and concrete structures Vol.1

      Pages: 805-810

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 細骨材の種類が鉄鋼スラグ水和固化体の耐久性に及ぼす影響2008

    • Author(s)
      藤井隆史, 春田正一, 綾野克紀, 阪田憲次
    • Journal Title

      コンクりート工学年次論文集 Vol. 30

      Pages: 493-498

    • NAID

      110009697686

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] モルタルの耐硫酸性に細骨材の種類が及ぼす影響2008

    • Author(s)
      綾野克紀, 小河内誠, 藤井隆史, 入矢桂史郎
    • Journal Title

      コンクリート工学年次論文集 Vol. 30

      Pages: 559-564

    • NAID

      110009697697

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 高炉スラグを用いたモルタルの耐硫酸性に関する研究2008

    • Author(s)
      藤井隆史, 小河内誠, 綾野克紀, 阪田憲次
    • Journal Title

      コンクリート構造物の補修, 補強, アップグレード論文報告集 Vol. 8

      Pages: 65-70

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 細骨材の種類が鉄鋼スラグ水和固化体の耐久性に及ぼす影響2008

    • Author(s)
      藤井隆史, 春田正一, 綾野克紀, 阪田憲
    • Journal Title

      コンクリート工学年次論文集 30(投稿中)

    • NAID

      110009697686

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] RESISTANCE TO FREEZING AND THAWING OF STEEL-MAKING SLAG CONCRETE Proceeding of consec'07 Concrete Under Server Conditions Environment and Loading2007

    • Author(s)
      Toshiki AYANO, Takashi FUJII, Kenji SAKATA
    • Journal Title

      6

      Pages: 717-724

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Presentation] RESISTANCE OF CONCRETE WITH GRANULATED BLAST FURNACE SLAG SAND TO SULFURIC ACID ATTACK2009

    • Author(s)
      Toshiki Ayano, Hisashiro Matsunaga, Takashi Fujii, Kenji Sakata
    • Organizer
      ConMat'09 4th International Conference on Construction Materials : Performance, innovations and Structural Implications
    • Place of Presentation
      名古屋国際会議所
    • Year and Date
      2009-08-24
    • Related Report
      2009 Annual Research Report
  • [Presentation] Drying shrinkage of steel-making slag concrete2008

    • Author(s)
      T Fujii, T Ayano, K Sakata
    • Organizer
      Proceeding on 33rd Conference on Our World In Concrete &Structures
    • Place of Presentation
      シンガポール
    • Year and Date
      2008-08-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Drying shrinkage of steel-making slag concrete2008

    • Author(s)
      T Fujii
    • Organizer
      Proceeding on 33rd Conference on Our World In Concrete & Structures
    • Place of Presentation
      Singapore
    • Related Report
      2009 Final Research Report
  • [Remarks]

    • URL

      http://conc.civil.okayama-u.ac.jp/lab/cgi/s_data/s_data/index.html

    • Related Report
      2009 Annual Research Report
  • [Remarks]

    • URL

      http://cone.civil.okayama-u.ac.jp/lab/cgl/s_data/s_data/index.html

    • Related Report
      2008 Annual Research Report

URL: 

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

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