Deformation and Fracturing Behaviors of Sandstone Disc Containing a Circular Inclusion under Diametrical Compression: Insights from Integrated SG and DIC Experiments

Figure 13

Variations in the SG1 and SG3 readings at the MPL point for the specimens with different geometric configurations: (a) SG3 reading of the red sandstone; (b) SG1 reading of the red sandstone; (c) SG3 reading of the grey sandstone; (d) SG1 reading of the grey sandstone.

(a)

(b)

(c)

(d)