A Study on the Durability of Dispersive Soils Improved by Alum in Western Jilin Province of China

Figure 5

Observation of the crumb test: (a) 0% alum, (b) 1% alum, (c) 1.5% alum, (d) 2% alum, (e) 2.5% alum, and (f) 3% alum.

(a)

(b)

(c)

(d)

(e)

(f)