Effect of nano-silica on strength and durability of fly ash based geopolymer mortar

By Dibyendu Adak, M. Sarkar, S. Mandal. 2014

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Sorptivity and acid resistance of ambient-cured geopolymer mortars containing nano-silica (2016, background): “[16] that addition of 50 6% nano-silica increased compressive strength of fly ash geopolymers.”
Characterization of alkali activated slag–fly ash blends containing nano-silica (2015, neutral): “[34] investigated the effect of nano-silica on strength and durability of fly ash based geopolymers, the used nano-silica content was up to 10% by mass.”
A Review of Recent Developments and Advances in Eco-Friendly Geopolymer Concrete (2020, background): “It was reported that under ambient curing conditions, the mechanical strengths such as compressive, tensile, and flexural strength increases with the addition of 6% nano-silica [140] (Figures 15 and 16).”
Enhancing the reactivity of aluminosilicate materials toward geopolymer synthesis (2018, background): “[127] Adak D, Sarkar M, Mandal S (2014) Effect of nano-silica”
Improvement in Fresh, Mechanical and Microstructural Properties of Fly Ash- Blast Furnace Slag Based Geopolymer Concrete By Addition of Nano and Micro Silica (2020, background): “5% of NS could be due to excess availability unreacted NS in the matrix [45, 23].”