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Binderless type geopolymer concrete with industrial wastes

Research Project

Project/Area Number 17K00628
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental conscious materials and recycle
Research InstitutionNihon University

Principal Investigator

KOIZUMI Koshiro  日本大学, 理工学部, 准教授 (10312042)

Co-Investigator(Kenkyū-buntansha) 佐藤 正己  日本大学, 理工学部, 准教授 (50580164)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords産業系副産物 / ジオポリマー / フライアッシュ / シリカフューム / ポゾラン反応 / スラグ骨材 / 転炉スラグ / 加熱養生 / 産業副産物 / 再資源化 / 膨張 / 廃棄物再資源化 / 環境材料 / 土木材料
Outline of Final Research Achievements

The aim of this study was to prepare geopolymer concrete without cement or other bonding materials (binder) from industrial by-products. It was found that the silica gel produced by the reaction (pozzolanic reaction) is expansive, and that the initial matrix formation ability is a little weak, although it is effective to fill the voids after the molded body forms a skeleton (matrix), through the trial manufacture of paste materials consisting of fly ash and silica fume.
In order to obtain the cured material without the use of binder material, it was found that either the entire cured material should be completely restrained by a formwork or the initial pozzolanic reaction should be more closely controlled so that the matrix can be formed with a silicate gel.

Academic Significance and Societal Importance of the Research Achievements

本研究は産業系副産物を主原料としたジオポリマー硬化体の作製を目的としたもので,廃棄物の有用再資源化の観点から,今後の循環型社会を形成していく上で極めて重要な課題となる。また低炭素社会を目指す点からも,セメントを利用しない構造体の製造は今後益々需要が増えてくることが予想され,近い将来での実現化が望まれる。
ただし,いわゆる「廃棄物」を有用資源として有効活用するためには,材料そのものの化学的な物性の理解をすることは必須であり,それらを上手く組み合わせた材料設計を行わないと構造体の形成に至らない可能性があることが知見として得られた。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (11 results)

All 2019 2018

All Journal Article (5 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 5 results) Presentation (6 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Comparison of silicate structures of various industrial wastes evaluated by hydration reactivity and pozzolanic activity2019

    • Author(s)
      Koshiro Koizumi, Masaki Sato, Yasuhiro Umemura
    • Journal Title

      Proceedings of 15th International Congress on the Chemistry of Cement

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Effect of carbonation on calcium silicate hydrate in cement paste with different water cement ratio2019

    • Author(s)
      Masaki Sato, Koshiro Koizumi, Yasuhiro Umemura
    • Journal Title

      Proceedings of 15th International Congress on the Chemistry of Cement

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Suppression Effect of Fly-Ash on Delayed Expansion of Raw LD Converter Slag2019

    • Author(s)
      Koshiro Koizumi, Chiaki Yoshizawa, Tetsuya Sutou, Tetsuya Watanabe
    • Journal Title

      Journal of Asian Institute of Low Carbon Design, 2019

      Volume: 1 Pages: 237-240

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 未エージング製鋼スラグを使用したコンクリートの性質2018

    • Author(s)
      須藤達也・吉澤千秋・小泉公志郎・渡辺哲哉
    • Journal Title

      コンクリート工学年次論文集

      Volume: 40 Pages: 1445-1460

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 転炉スラグの膨張特性を利用した地盤改良効果に関する実験的考察2018

    • Author(s)
      田辺和康・吉澤千秋・小泉公志郎・須藤達也・渡辺哲哉
    • Journal Title

      建設用原材料

      Volume: 26 Pages: 23-28

    • NAID

      40021942868

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Presentation] ジオポリマーモルタルの硬化特性の基礎的研究2019

    • Author(s)
      田恵太・松永久宏・吉澤千秋・小泉公志郎
    • Organizer
      土木学会 令和元年度 全国大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Comparison of silicate structures of various industrial wastes evaluated by hydration reactivity and pozzolanic activity2019

    • Author(s)
      Koshiro Koizumi, Masaki Sato, Yasuhiro Umemura
    • Organizer
      15th International Congress on the Chemistry of Cement
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effect of carbonation on calcium silicate hydrate in cement paste with different water cement ratio2019

    • Author(s)
      Masaki Sato, Koshiro Koizumi, Yasuhiro Umemura
    • Organizer
      15th International Congress on the Chemistry of Cement
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Suppression effect of fly-ash on delayed expansion of raw LD converter slag2019

    • Author(s)
      Koshiro Koizumi, Chiaki Yoshizawa, Tetsuya Sutou, Tetsuya Watanabe
    • Organizer
      Asian Institute of Low Carbon Design International Conference 2019
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 製鋼スラグ細骨材を用いたコンクリートのFAによる膨張抑制2018

    • Author(s)
      吉澤千秋・小泉公志郎・須藤達也・渡辺哲哉
    • Organizer
      土木学会 平成30年度 全国大会 第73回年次学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] 製鋼スラグ細骨材を用いたコンクリートのFAによる膨張抑制メカニズム2018

    • Author(s)
      小泉公志郎・須藤達也・吉澤千秋・渡辺哲哉
    • Organizer
      土木学会 平成30年度 全国大会 第73回年次学術講演会
    • Related Report
      2018 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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