Research Article

Hydraulic Fracturing Mechanism of Rock Mass under Stress-Damage-Seepage Coupling Effect

Table 2

The basic parameters.

The parameter nameValue

Uniaxial compressive strength of rock, 100 MPa
Uniaxial tensile strength of rock, 6.04 MPa
The elastic modulus of rock, 35 GPa
The initial porosity of rock, 0.05
Poisson’s ratio of rock, 0.25
Internal friction angle of rock, 34°
Permeability,
Biot coefficient, 0.1
Fluid density, 1020
Dynamic viscosity coefficient, 0.0018
Initial pore pressure, 0 MPa
Density of rock, 2500