Research Article
Failure Mechanism of Rock Bridge Based on Acoustic Emission Technique
Figure 7
Relationship of AE event count and time at 0.6 MPa normal pressure under different rock bridge lengths.
(a) Rock bridge length is 25 mm |
(b) Rock bridge length is 30 mm |
(c) Rock bridge length is 35 mm |
(d) Rock bridge length is 40 mm |