Fractal Characteristics and Acoustic Emission during the Failure Process of Argillaceous Siltstone with Different Moisture Contents

Figure 9

Three-dimensional correlation plot of the AE parameters. (a, b) Uniaxial compression test. (c, d) Brazilian indirect tensile test.

(a) U0-1

(b) U7-2

(c) T0-1

(d) T7-1