Strength and Microscopic Characteristics of Slag-Based Geopolymer-Solidified Sludge after Dry–Wet Cycling with Chloride Salt Solutions

Figure 3

Specimen preparation process. (a) Well-mixed solidified sludge. (b) Solidified sludge loaded into the mold. (c) Cured sludge after demolding.

(a)

(b)

(c)