Evolution Rules of Fractures for Mudstone under Compression Shear Load and the Fractal Characteristics of Broken Blocks

Figure 4

Inception and development process of fracture under compression and shear loading. (a) A point. (b) B point. (c) C point. (d) D point. (e) E point. (f) F point.

(a)

(b)

(c)

(d)

(e)

(f)