Page 426 - New Trends in Eco efficient and Recycled Concrete

Application of alkali-activated industrial waste 379

Figure 13.14 Compressive strength at 28 days of curing for RCBW/BFS geopolymers with
different dosages and different grinding methods (Rakhimova and Rakhimov, 2015). RCBW,
Red clay brick waste.

Figure 13.15 DTG curves for RCBW/CAC activated pastes and pure hydrated CAC cured
at: (A) 20 C; and (B) 65 C(Reig et al., 2016a). RCBW, Red clay brick waste; CAC, Calcium

aluminate cement.
OPC mortar and for 10% OPC-RCBW geopolymer mortar, and found a
265 511 kg CO 2 eq/mortar tone reduction.
The activation of PS tile waste has also been reported (Reig et al., 2013b, 2014,
2017). PS waste is characterised by the high SiO 2 content (71.35%) and very low
CaO content (0.51%). PS pastes activated with NaOH/Na 2 SiO 3 did not set at room