Research Article
Influence of Microscopic Parameters on the Stress-Strain Relation in Rocks
| Particle microscopic parameters | | Parallel bonding microscopic parameters | |
| Particle density (kg/m3) | 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 |
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