Table 5 Dynamic parameters of combined bodies under different confining pressures.
From: Dynamic response and failure characteristics of combined rocks under confining pressure
Confining pressure (MPa) | Number | Strain rate (s−1) | Compressive strength (MPa) | Ultimate strain (%) | Elastic modulus (GPa) |
|---|---|---|---|---|---|
0 | 0-1 | 41.43 | 17.82 | 0.810 | 5.58 |
0-2 | 38.82 | 18.90 | 0.782 | 4.52 | |
0-3 | 45.06 | 13.25 | 0.944 | 4.19 | |
5 | 5-1 | 37.84 | 20.39 | 0.667 | 7.21 |
5-2 | 49.12 | 21.50 | 0.704 | 5.01 | |
5-3 | 40.40 | 20.85 | 0.593 | 6.34 | |
10 | 10-1 | 36.63 | 20.90 | 0.566 | 7.53 |
10-2 | 48.86 | 23.11 | 0.653 | 6.59 | |
10-3 | 37.03 | 21.44 | 0.582 | 8.37 | |
15 | 15-1 | 52.79 | 24.57 | 0.560 | 9.22 |
15-2 | 33.66 | 20.33 | 0.542 | 6.85 | |
15-3 | 36.55 | 23.34 | 0.530 | 9.89 |
