Assessment of phase formation in alkali activated low and high calcium fly ashes in building materials

By F. Winnefeld, A. Leemann, Martin Lucuk, P. Svoboda, M. Neuroth. 2010

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Isothermal reaction kinetics and temperature dependence of alkali activation of slag, fly ash and their blends (2013, background): “A higher heat of hydration at early ages might not necessarily be related to the strengths for alkali activated systems [57] because the total heat released is due to a combination of several reactions.”
Enhancing the reactivity of aluminosilicate materials toward geopolymer synthesis (2018, background): “[72] Winnefeld F, Leemann A, Lucuk M, Svoboda P, Neuroth M (2010) Assessment of phase formation in alkali activated low and high calcium fly ashes in building materials.”
Compressive strength and microstructural analysis of fly ash/palm oil fuel ash based geopolymer mortar under elevated temperatures (2014, background): “This correlates well with the free lime content of the unhydrated ash [34,35].”
Soil stabilisation using alkaline activation of fly ash for self compacting rammed earth construction (2012, methodology): “The value of 60oC was chosen since it has been reported [17]”
Long term durability properties of class F fly ash geopolymer concrete (2015, background): “In general class F fly ash based geopolymer concretes exhibit longer setting times and slower strength development at room temperature [50], with curing generally being between 60 and 90 C.”