Research Article

Investigation into Macro- and Microcrack Propagation Mechanism of Red Sandstone under Different Confining Pressures Using 3D Numerical Simulation and CT Verification

Figure 8

Macroscopic failure modes of redstone under different confining pressure by PFC3D: (a) 5 MPa; (b) 10 MPa; (c) 15 MPa; (d) 20 MPa.
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