Evolution of the Mesoscopic Parameters and Mechanical Properties of Granular Materials upon Loading

Figure 4

The volume change of samples under different lateral pressures: (a) lateral pressure of 100 kPa; (b) lateral pressure of 200 kPa; (c) lateral pressure of 300 kPa; and (d) lateral pressure of 400 kPa.

(a)

(b)

(c)

(d)