Investigations on Engineering Properties of Solidified/Stabilized Pb-Contaminated Soil Based on Alkaline Residue

Figure 9

Microstructural characteristics of the specimens tested under different conditions. (a) AR10 + Pb1 (28 d). (b) AR30 + Pb1 (28 d). (c) AR30 + Pb3 (28 d). (d) AR30 + Pb1 (90 d).

(a)

(b)

(c)

(d)