Mechanical Property of Biomodified Geogrid and Reinforced Calcareous Sand

Figure 4

Failure modes of specimens at 200 kPa confining pressure: (a) nonreinforced, (b) reinforced by 1 geogrid layer, (c) reinforced by 3 geogrid layers, and (d) reinforced by 5 geogrid layers.

(a)

(b)

(c)

(d)