Effect of Shrinkage-reducing Admixtures on the Properties of Alkali-activated Slag Mortars and Pastes

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Design and performance evaluation of ultra-lightweight geopolymer concrete (2016, background): “However, although excellent performances can be achieved from both systems, drawbacks such as fast setting, high shrinkage of alkali activated slag [14], elevated curing temperatures demand and relatively long setting times of alkali activated aluminosilicates limit their practical application.”
Mechanisms of autogenous shrinkage of alkali-activated slag and fly ash pastes (2020, result): “Puertas et at.”
Rheology of alkali-activated slag pastes. Effect of the nature and concentration of the activating solution (2014, background): “Those properties, along with drying shrinkage, have likewise been proven to depend heavily on the nature of the activating solution [14,15].”
Effects of nano-TiO2 on strength, shrinkage and microstructure of alkali activated slag pastes (2015, background): “[18] showed that the use of shrinkage-reducing agent (SRA) reduces the shrinkage of AASP by up to 85% and 50% when exposed to 99% and 50% RH, respectively.”
Shrinkage characteristics of alkali-activated slag cements (2015, background): “While limited data related to shrinkage performance of AAS do exist (Shi et al. 2006; Melo Neto et al. 2008; Douglas et al. 1992; Bakharev et al. 2000; Palacios and Puertas 2007; Cincotto et al. 2003), the scientific reasoning and mechanisms of large shrinkage deformations in AAS have not been expla”