Fig. 23

SEM images and EDS spectra for OPC EP 50, cured at 20 °C, not subjected to heating. (a) SEM image of portlandite, (b) EDS spectrum of portlandite, (c) SEM image of perlite grain, (d) EDS spectrum of perlite grain, (e) SEM image of Afm and CSH phases, (f) EDS spectrum of CSH phase, (g) EDS spectrum of AFm phase.