The Propagation Behavior of Hydraulic Fracture in Rock Mass with Cemented Joints

Figure 4

The aperture of joints: the spatial distribution of fractures with different angles between the vertical joint and two cutters: (a) 30-30, (b) 45-45, and (c) 90-90; the aperture of vertical joints with different angles between the vertical joint and two cutters: (d) 30-30, (e) 45-45, and (f) 90-90.

(a)

(b)

(c)

(d)

(e)

(f)