Research Article
Mechanical Mechanism and Propagation Law of Fissure-Tip Cracks of Large-Size Rock Specimens with Two Precut Fissures
Figure 7
Variation curves of circumferential tensile stresses and shear stresses of the fissure specimens with different dip angles. (a) A-1(σ1max = 5.57 MPa), (b) A-2 (σ1max = 5.9 MPa), (c) B-1 (σ1max = 4.1 MPa), (d) B-2 (σ1max = 5.42 MPa), (e) C-1 (σ1max = 4.56 MPa), and (f) C-2 (σ1max = 4.03 MPa).
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