Experimental Study on 3D Roughness and Shear Failure Mechanism of Rock Mass Discontinuity

Figure 21

Shear strengths and displacements of the subsamples with natural rough rock joint surface model (A4). (a) NS = 0.51 MPa; (b) NS = 1.02 MPa; (c) NS = 2.04 MPa; (d) SD = 0° and SD = 10°; (e) SD = 20° and SD = 30°.

(a)

(b)

(c)

(d)

(e)