Evaluating the Applicability of Fracture Criteria to Predict the Crack Evolution Path of Dolomite Based on SCB Experiments and FEM

Figure 14

Experimental crack propagated paths, damaged zones, and crack trajectories calculated by 𝑆_min-criterion (the gray zone, red line, and green line represent the damaged zone, numerical result, and experimental result, resp.).

(a) 𝛼=0^∘

(b) 𝛼=10^∘

(c) 𝛼=20^∘

(d) 𝛼=30^∘

(e) 𝛼=34.8^∘

(f) 𝛼=40^∘