Influence of Activator on the Strength and Drying Shrinkage of Alkali-Activated Slag Mortar

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Shrinkage compensation of alkali-activated slag concrete and microstructural analysis (2014, background): “the liquid sodium silicate, sodium hydroxide and sodium carbonate) show that the mortar made with liquid sodium silicate has high drying shrinkage, up to six times that of Portland cement mortar [6].”
Mitigating the autogenous shrinkage of alkali-activated slag by metakaolin (2019, background): “It is worth noting that the improvement in flexural strength by MK is very beneficial to slag based alkali activated systems, which are reported to be strong in compression but relative weak under tensile stress [101,102].”
Effects of dosage of alkali-activated solution and curing conditions on the properties and durability of alkali-activated slag concrete (2012, background): “In previous studies, it reported that the dry shrinkage of liquid sodium silicate activated slag mortar increases with the increase in sodium concentration for a constant SiO2/Na2O ratio [8,28].”