Research Article
Investigation into Macro- and Microcrack Propagation Mechanism of Red Sandstone under Different Confining Pressures Using 3D Numerical Simulation and CT Verification
Figure 4
Macrofailures of red sandstone under different confining pressures: (a) 5 MPa; (b) 10 MPa; (c) 15 MPa; (d) 20 MPa.
(a) |
(b) |
(c) |
(d) |