Research Article

Influence of Vetiver Root System on Mechanical Performance of Expansive Soil: Experimental Studies

Figure 10

Dry shrinkage cracks on the surface of composite root-soil of vetiver roots with different root contents: (a) pure soil; (b) root content is 0.78 g/1000 cm3; (c) root content is 1.56 g/1000 cm3; (d) root content is 2.34 g/1000 cm3; (e) root content is 3.12 g/1000 cm3.
(a)
(b)
(c)
(d)
(e)