Comparison of strength and durability characteristics of a geopolymer produced from fly ash, ground glass fiber and glass powder


  • H. Rashidian-Dezfouli Glenn Department of Civil Engineering, Clemson University
  • P. R. Rangaraju Glenn Department of Civil Engineering, Clemson University



Geopolymers, Alkali-Silica Reaction, Ground Glass Fiber, Fly ash, Glass-Powder


Strength and durability characteristics of geopolymers produced using three precursors, consisting of fly ash, Ground Glass Fiber (GGF), and glass-powder were studied. Combinations of sodium hydroxide and sodium silicate were used as the activator solutions, and the effect of different sodium and silica content of the activators on the workability and compressive strength of geopolymers was investigated. The parameters used in this study were the mass ratio of Na2O-to-binder (for sodium content), and SiO2-to-Na2O of the activator (for silica content). Geopolymer mixtures that achieved the highest compressive strength from each precursor were assessed for their resistance to alkali-silica reaction and compared against the performance of portland cement mixtures. Test results revealed that GGF and fly ash-based geopolymers performed better than glass-powder-based geopolymer mixtures. The resistance of GGF-based and fly ash-based geopolymers to alkali-silica reaction was superior to that of portland cement mixtures, while glass-powder-based geopolymer showed inferior performance.


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How to Cite

Rashidian-Dezfouli, H., & Rangaraju, P. R. (2017). Comparison of strength and durability characteristics of a geopolymer produced from fly ash, ground glass fiber and glass powder. Materiales De Construcción, 67(328), e136.



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