Study of SCA-Induced Rock Crack Propagation under Different Stress Conditions Using a Modified Cohesive Element Method

Figure 13

Crack characteristics under σ₁ = σ₃ = 10 MPa and under different notch conditions. (a) θ = 0°; (b) θ = 45°; (c) θ = 60°. P is the SCA expansion pressure.

(a)

(b)

(c)