Experimental Study on Shear Failure Characteristics of Jointed Rock Mass Based on Direct Shear Tests and Digital Image Correction Techniques

Figure 1

Schematic diagram of rock samples with different joint dip angles: (a) 0°, (b) 15°, (c) 30°, (d) 45°, (e) 60°, (f) 75°, and (g) 90°.

(a)

(b)

(c)

(d)

(e)

(f)

(g)