A Coupled Elastoplastic Damage Model for Clayey Rock and Its Numerical Implementation and Validation

Figure 10

Comparison of the stress-strain curves under different confining pressures between the numerical analysis and experiments: (a) confining pressure 0.89 MPa, (b) confining pressure2.5 MPa, (b) confining pressure 2.85 MPa, and (d) confining pressure 5.42 MPa.

(a)

(b)

(c)

(d)