Table 1 Basic properties parameters of rock samples.
Samples | Weight (g) | Height (mm) | Diameter (mm) | Density (g·cm− 3) | Wave velocity (m·s− 1) | Peak stress (MPa) | Peak strain | Ra (mm/s) |
---|---|---|---|---|---|---|---|---|
A1 | 414.39 | 99.56 | 50.01 | 2.12 | 3252.11 | 48.32 | 0.0074 | 2 × 10− 3 |
A2 | 423.17 | 98.46 | 50.10 | 2.19 | 3351.92 | 58.57 | 0.0081 | |
A3 | 428.25 | 99.15 | 50.01 | 2.20 | 3092.40 | 41.27 | 0.0078 | |
B1 | 424.24 | 100.10 | 50.02 | 2.16 | 3142.81 | 58.51 | 0.0120 | 4 × 10− 3 |
B2 | 429.83 | 100.01 | 50.00 | 2.19 | 3262.73 | 56.09 | 0.0126 | |
B3 | 416.05 | 100.01 | 49.88 | 2.13 | 3312.54 | 71.06 | 0.0119 | |
C1 | 415.66 | 98.59 | 49.98 | 2.15 | 3297.60 | 65.45 | 0.0125 | 6 × 10− 3 |
C2 | 423.22 | 99.84 | 50.00 | 2.16 | 3642.16 | 79.20 | 0.0118 | |
C3 | 458.94 | 99.98 | 49.99 | 2.34 | 3254.87 | 69.72 | 0.0144 | |
D1 | 432.89 | 99.89 | 49.98 | 2.21 | 3268.47 | 75.98 | 0.0147 | 8 × 10− 3 |
D2 | 412.68 | 100.02 | 48.99 | 2.19 | 3461.54 | 73.07 | 0.0162 | |
D3 | 417.93 | 99.98 | 50.05 | 2.13 | 3366.75 | 77.03 | 0.0141 |