Study on Muck Pile Shape of Open-Pit Bench Blasting Based on PFC

Table 2

Values of microparameters.

Variable parameters	Parameter name	Numerical value
Contact stiffness ratio	Kratio	3.0
Equivalent elastic modulus (GPa)	E	42
Normal strength of parallel bond (MPa)	Pb_toh	115
Tangential strength of parallel bond (MPa)	Pb_coh	90