A Coupled Elastoplastic Damage Dynamic Model for Rock

Figure 5

Stress-strain curves of marble under different confining pressures: (a) σ₃ = 0 MPa; (b) σ₃ = 3.45 MPa; (c) σ₃ = 6.90 MPa; (d) σ₃ = 13.80 MPa.

(a)

(b)

(c)

(d)