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Advances in Concrete Construction
  Volume 5, Number 4, August 2017 , pages 377-390

Development of mix design method for geopolymer concrete
Parveen and Dhirendra Singhal

    This study proposes a geopolymer concrete (GPC) mix design method for low calcium (class F) fly ash based incorporating 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 400 kg/m3) and different molarity (8, 12 and 16M) of NaOH solutions were prepared. The cubes prepared were cured at different temperatures (27oC, 60oC and 90oC) 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.
Key Words
    geopolymer concrete; low calcium fly ash; alccofine; mix design; AF-GPC graphs; alkaline activator liquid
Parveen and Dhirendra Singhal: Department of Civil Engineering, DCRUST, Murthal, 131039, Sonipat, Haryana, India

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