Research Article

Comparative Study on the Plastic Zone of Circular Hole Surrounding Rock in Anisotropic In Situ Stress Conditions

Figure 5

Distribution of plastic zone based on the finite element method: (a) K0 = 0.3; (b) K0 = 0.4; (c) K0 = 0.5; (d) K0 = 0.6; (e) K0 = 0.7; (f) K0 = 0.8; (g) K0 = 0.9; (h) K0 = 1.
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