Fractal Analysis of Failure Process and Damage Evolution of Jointed Sandstone Based on DIP Technique

Figure 9

The relationship between the AE energy, stress, and accumulated AE energy of the specimen. (a–g) Specimens 0°, 15°, 30°, 45°, 60°, 75°, 90°, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)