Research Article
A Nonlinear Statistical Damage Constitutive Model for Porous Rocks
Figure 8
Fitting degree analysis of the statistical damage constitutive model from [
26] (see (
16)). (a) Altered rock [
36]
σc = 88.57 MPa,
σ3 = 12 MPa. (b) Quartiz [
37]
σc = 385 MPa,
σ3 = 5 MPa. (c) Coal [
37]
σc = 65 MPa,
σ3 = 8 MPa. (d) Sandstone (
n = 21.1%)
σc = 12.97 MPa,
σ3 = 0 MPa.
