Page 430 - New Trends in Eco efficient and Recycled Concrete
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Application of alkali-activated industrial waste 383
Figure 13.17 SEM micrographs of geopolymer pastes cured at 65 C for 7 days: (A)
hydrated Portland cement carbonated in dry conditions; and (B) in wet conditions (Paya ´
et al., 2012).
Figure 13.18 Compressive strength of GWC and fly ash blends activated with NaOH and
SS (Khater, 2012). GWC, Ground waste concrete; SS, Sodium silicate.