Stabilization of Expansive Soil with Polyvinyl Alcohol and Potassium Carbonate

Figure 7

Photos of cracks on stabilized soil samples with different numbers of drying-wetting cycles. (a) 1 cycle. (b) 7 cycles. (c) 13 cycles. (d) 19 cycles. (e) 25 cycles. (f) 31 cycles.

(a)

(b)

(c)

(d)

(e)

(f)