Compression Mechanical Properties and Constitutive Model for Soft–Hard Interlayered Rock Mass

Figure 6

Stress–strain curves of the two-layer rock-like samples with different interface angles: (a) 0°; (b) 10°; (c) 20°; (d) 45°; (e) 60°.

(a)

(b)

(c)

(d)

(e)