Research Article
Development of Transversely Isotropic Elastoplastic Constitutive Model in FLAC3D and Its Application in Tunnel Engineering
Table 2
Calculation parameters of constitutive model [
40].
| | Parameter | AN-MC model | Transversely isotropic model |
| Level occurrence | Dip direction angle dd (°) | 45 | 45 | Dip angle dip (°) | 45 | 45 | Elastic parameters | The elastic modulus of the plane parallel to the bedding plane (Pa) | 1e9 | 1e9 | The Poisson ratio of the plane parallel to the bedding plane | 0.26 | 0.26 | The elastic modulus in the plane perpendicular to the bedding plane (Pa) | 0.5e9 | 0.5e9 | The plane Poisson ratio in the plane perpendicular to the bedding plane | 0.36 | 0.36 | The shear modulus in the plane perpendicular to the bedding plane (Pa) | 0.34e9 | 0.34e9 | Plastic parameters | The cohesion (Pa) | 20e9 | — | The friction (°) | 40 | — | The tensile strength (Pa) | 20e9 | — |
|
|