Acoustic Emission Characteristics and Failure Prediction of the Granite with Orthogonal Cracks under Compressive Loading

Table 1

The maximum b-value.

Intact specimen	Specimens with orthogonal cracks
Maximum b-value	Maximum b-value
I	00–90	30–90	45–90	60–90	90-90
10.29	1.06	1.47	1.36	1.43	1.38