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

Figure 7

UCS of solidified sludge versus the number of dry–wet cycles in different solutions. (a) Dry–wet cycling in distilled water. (b) Dry–wet cycling in 5% NaCl solution. (c) Dry–wet cycling in 10% NaCl solution.

(a)

(b)

(c)