Research Article
A New Method to Estimate the Joint Roughness Coefficient by Back Calculation of Shear Strength
Table 3
Microscopic parameters of balls and bonds in intact rock.
| | Particle parameters | | Parallel bond parameters | |
| | Particle density (kg/m3) | 2650 | Modulus (GPa) | 27 | | Modulus (GPa) | 27 | Stiffness ratio/ | 3 | | Stiffness ratio kn/ks | 3 | Tensile strength (MPa) | 74 | | Friction coefficient μ | 0.8 | Cohesion (MPa) | 74 |
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