Experimental Study on Fracture Patterns and Crack Propagation of Sandstone Based on Acoustic Emission

<div>Schematic of AE time-domain parameters and crack classification. (a) AE time-domain parameters. (b) Crack classification.</div>

Advances in Civil Engineering

Figure 3: Experimental Study on Fracture Patterns and Crack Propagation of Sandstone Based on Acoustic Emission 