Table 1 Test parameters.
From: An new elastic–plastic analytical solution of circular tunnel under non-axisymmetric conditions
Materials | Volume weight (kN/m3) | Deformation modulus (GPa) | Poisson's ratio | Bulk modulus (GPa) | Shear modulus (GPa) | Cohesion (MPa) | Friction angle (°) |
|---|---|---|---|---|---|---|---|
Rock mass | 25 | 6.0 | 0.3 | 5.0 | 2.3 | 0.7 | 39 |