Analysis of Changes in the Micromorphology of Sandstone Joint Surface under Dry-Wet Cycling

Figure 11

Curve of shear strength of jointed rock masses under dry-wet cycling. (a) Normal stress: 1.0 MPa. (b) Normal stress: 1.5 MPa. (c) Normal stress: 2.0 MPa. (d) Normal stress: 2.5 MPa.

(a)

(b)

(c)

(d)