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

Figure 1

Microstructure and mineral component of rock: (a) ×200 multiples, (b) ×400 multiples, (c) XRD mineral composition, and (d) histogram of clay mineral composition accumulation.

(a)

(b)

(c)

(d)