Table 1 Laboratory test [4]
From: An approach to hydraulic fracture in geomaterials through a porous brittle damage material model
Property | Unit | Value |
|---|---|---|
Density | \(\hbox {kg/m}^3\) | 2000 |
Young modulus | MPa | \(1.52\, \times \,10^4\) |
Poisson ratio | Â | 0.3 |
Tensile strength (*) | MPa | 4 |
Friction angle (*) | \(^\circ \) | 30 |
Critical energy release rate (*) | N/m | 100 |
Initial porosity | Â | 0.05 |
Matrix permeability | \(\hbox {m}^2\) | \(2\, \times \,10^{-14}\) |
\(\hbox {L}_0/\varDelta _c\) | Â | 35,000 |
Fluid density | \(\hbox {kg/m}^3\) | 1000 |
Fluid viscosity | Pa s | 100 |