Advances in concrete construction

  • 제5권4호
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  • Pages.377-390
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  • 2017
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Development of mix design method for geopolymer concrete

  • 투고 : 2017.05.01
  • 심사 : 2017.08.11
  • 발행 : 2017.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

This study proposes a mix design method for geopolymer concrete (GPC) using low calcium fly ash and alccofine, with the focus on achieving the required compressive strength and workability at heat and ambient curing. Key factors identified and nine mixes with varied fly ash content (350, 375 and $400kg/m^3$) and different molarity (8, 12 and 16M) of NaOH solutions were prepared. The cubes prepared were cured at different temperatures ($27^{\circ}C$, $60^{\circ}C$ and $90^{\circ}C$) and tested for its compressive strength after 3, 7 and 28 days of curing. Fly ash content has been considered as the direct measure of workability and strength. The suggested mix design approach has been verified with the help of the example and targets well the requirements of fresh and hardened concrete.

키워드

참고문헌

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피인용 문헌

  1. A study on the compressive strength and microstructure characteristic of alkali-activated metakaolin cement vol.24, pp.4, 2017, https://doi.org/10.1590/s1517-707620190004.0832
  2. Strength characteristics of granulated ground blast furnace slag-based geopolymer concrete vol.11, pp.3, 2017, https://doi.org/10.12989/acc.2021.11.3.219