Influence of Parallel-Joint Position on Mechanical Behavior and Acoustic Emission Characteristics of Rock Pillar

Figure 7

AE characteristics of rock pillar with different parallel-joint positions. (a) #1. (b) #2. (c) #3. (d) #4. (e) #5. (f) #6.

(a)

(b)

(c)

(d)

(e)

(f)