Nature of C-(A)-S-H Phases Formed in the Reaction Bentonite/Portlandite

Figure 3

Al/Ca against Si/Ca atom ratio plots for the EDX analyses of C-(A)-S-H crystals in experiments with bentonite (Bent) and montmorillonite (Mont) at 60 and 120°C and montmorillonite/portlandite molar ratios 2 : 1 and 3 : 1. CH: portlandite; Aft: ettringite; AFm: hydrated calcium aluminates.