Abstract
Geopolymer concrete mixes were cast using fly ash, kaolin, sodium hydroxide, potassium hydroxide, sodium silicate and aggregates. Portland cement concrete (M30) was used as a reference sample. The effect of silica fume, temperature (40 °C, 60 °C, 80 °C, 100 °C and 120 °C), sodium and potassium hydroxides and different superplasticizers on the compressive strength are reported [1]. Maximum strength was found at 100 °C and 14 M alkali solution [1].
Highlights
Data accessibilitySamples were left in oven at room temperature untill the day of testing
Geopolymer concrete mixes were cast using fly ash, kaolin, sodium hydroxide, potassium hydroxide, sodium silicate and aggregates
The geopolymer concretes may be a suitable option for OPC concrete and this report will serve as a reference material for other researchers wishing to investigate the alternative building materials for construction industry
Summary
Samples were left in oven at room temperature untill the day of testing. Curing of the samples were made at 100 °C. Aggregates and binder were mixed dry in a drum mixer for 3 min, alkali added and mixing continued mixture becomes homogeneous.Compressive strengths under different conditions were measured.
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