Research Article

Development of Transversely Isotropic Elastoplastic Constitutive Model in FLAC3D and Its Application in Tunnel Engineering

Table 3

Calculation parameters of constitutive model [40].

ParameterAN-MC modelMohr-Coulomb model

Level occurrenceDip direction angle dd (°)270
Dip angle dip (°)90
Elastic parametersThe elastic modulus of the plane parallel to the bedding plane (Pa)
The Poisson ratio of the plane parallel to the bedding plane 0.30
The elastic modulus in the plane perpendicular to the bedding plane (Pa)0.30
The plane Poisson ratio in the plane perpendicular to the bedding plane 0.30
The shear modulus in the plane perpendicular to the bedding plane (Pa)
Plastic parametersThe cohesion (Pa)
The friction (°)4545
The tensile strength (Pa)