Study on Seepage Characteristics of Radial Flow in Rock Mass Based on Radius Effect

Figure 12

The curve of velocity variation along the aperture direction of fracture under different hydraulic pressure rates. (a) 0.2 MPa, (b) 0.4 MPa, (c) 0.6 MPa, and (d) 0.8 MPa.

(a)

(b)

(c)

(d)