Triaxial Compressive Failure Characteristics and Constitutive Model Study of Jurassic-Cretaceous Weakly Cemented Sandstone

Figure 8

The curve of test pressure and date fitting under different confining pressures: (a) confining pressure 0 MPa, (b) confining pressure 5 MPa, (c) confining pressure 100 MPa, and (d) confining pressure 15 MPa.

(a)

(b)

(c)

(d)