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

Figure 8

Variation pattern of UCS of 28-day NO-solidified sludge with erosion time. (a) Distilled water. (b) 5% NaCl solution. (c) 5% Na₂SO₄ solution.

(a)

(b)

(c)