Utilization of Sandy Soil as the Primary Raw Material in Production of Unfired Bricks

Figure 8

SEM micrographs of C8GG10Q5G2 brick specimens cured for (a) 7 days (×100), (b) 28 days (×100), (c) 7 days (×5000), and (d) 28 days (×5000).

(a)

(b)

(c)

(d)