Research Article

Influence of Coal Cleats on Conical Pick Cutting Process Based on PFC

Table 5

The parameters of the mechanical properties of cleats.

Normal stiffness (MPa·m−1)Tangential stiffness (MPa·m−1)Friction angle (°)Bonding strength (MPa)Bonding cohesion (MPa)

4e + 104e + 101200