Influence of Microscopic Parameters on the Stress-Strain Relation in Rocks

Table 1

Mesoscopic parameters.

Particle microscopic parameters		Parallel bonding microscopic parameters
Particle density (kg/m^3)	2205	Parallel bond elastic modulus (GPa)	2.8
Particle contact modulus (GPa)	2.8	Normal strength (MPa)	20 ± 4.5
Friction factor μ	0.6	Shear strength (MPa)	20 ± 4.5
Particle contact stiffness ratio kn/ks	1.45	Parallel bond stiffness ratio kn/ks	1.45