From: Comparative Study of the Rock-breaking Mechanism of a Disc Cutter and Wedge Tooth Cutter by Discrete Element Modelling
Micro-parameters
Value
Effective bond modulus Ec (GPa)
36
Ratio of normal to shear stiffness kn/ks
2.0
Friction coefficient between particles μ
0.5
Normal strength σ (MPa)
Shear strength Ï„ (MPa)
120