Research Article

An Investigation on Local Shearing Mechanisms of Irregular Dentate Rock Joints Using the PFC

Table 1

Microscopic parameters of balls and bonds in the BPM.

Particle parametersParticle density (kg/m3)2000
Modulus (GPa)5.5
Stiffness ratio 1.5
Friction coefficient μ0.7
Parallel bond parametersModulus (GPa)5.5
Stiffness ratio 1.5
Tensile strength (MPa)34.5
Cohesion (MPa)34.5