Numerical Shear Tests on the Scale Effect of Rock Joints under CNL and CND Conditions

Table 3

Calibrated microparameters of PFC2D model.

	Kn (N·m^−1)	Ks (N·m^−1)	(N·m^−1)	(N·m^−1)	(MPa)	(MPa)	Rbond	Friction factor
Rock	2.5 × 10^8	2.5 × 10^8	3 × 10^11	3 × 10^11	36	36	1	0.25
Joint	0	0	0	0	0	0	0	0.1