Sustainable Nanopozzolan Modified Cement: Characterizations and Morphology of Calcium Silicate Hydrate during Hydration

Figure 4

SEM images of (a) NPMC, (b) 5% NS, (c) 10% MS, and (d) UCP samples on day 28.

(a) NPMC

(b) 5% NS

(c) 10% MS

(d) UCP