Stability Analysis of Slope with Multiple Sliding Surfaces Based on Dynamic Strength-Reduction DDA Method

Figure 9

First failure process of the northern slope in the Fushun West Open-Pit Mine: (a) step 1.361 × 10⁶; (b) step 1.363 × 10⁶; (c) step 1.365 × 10⁶; (d) step 1.367 × 10⁶.

(a)

(b)

(c)

(d)