Research Article

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

Table 3

Information of numerical parallel-joint rock models.

Joint IDJoint positionsPosition descriptionJoint length (mm)Joint spacing (mm)

#1(−15 mm, 30 mm)Outside-top202.8
#2(−15 mm, 0 mm)Outside-middle202.8
#3(−15 mm, −30 mm)Outside-bottom202.8
#4(0 mm, 30 mm)Inside-top202.8
#5(0 mm, 0 mm)Inside-middle202.8
#6(0 mm, -30 mm)Inside-bottom202.8