Table 1 Physical and mechanical parameters of the rock used in the numerical analyses
Parameter | Value |
|---|---|
Unit weight, \(\gamma\) (kN/m\(^{3}\)) | 15.5 |
Coefficient of earth pressure at rest, K\(_0\) (-) | 1 |
Young’s modulus, E (kPa) | \(1\times 10^{5}\) |
Poisson ratio, \(\nu\) (–) | 0.3 |
Uniaxial compressive strength, \(\sigma _{ci}\) (kPa) | Variable |
Geological Strength Index, GSI (–) | 100 |
Disturbance factor, D (–) | 0 |
Hoek-Brown parameter m\(_i\) (–) | 3, 8, 16 |