Research Article
Damage Statistical Empirical Model for Fractured Rock under Freezing-Thawing Cycle and Loading
Table 2
The characteristic stresses of intact rock and different fractured rocks under different confining stresses and freezing and thawing cycle.
| | /MPa | W | /MPa | A4 | | | | | | | | | 2 | 9.26 | 27.52 | 50.91 | 61.16 | 2 | 4.12 | 17.84 | 25.12 | 39.64 | 4 | 11.73 | 34.20 | 56.59 | 75.99 | 4 | 17.71 | 24.21 | 32.3 | 53.8 | 6 | 19.89 | 35.35 | 66.81 | 78.55 | 6 | 9.51 | 21.40 | 35.99 | 47.56 | /MPa | A5 | /MPa | A6 | | | | | | | | | 2 | 10.51 | 15.91 | 31.01 | 35.36 | 2 | 9.45 | 21.14 | 39.67 | 46.97 | 4 | 10.94 | 16.30 | 30.14 | 36.23 | 4 | 4.54 | 23.34 | 45.33 | 51.86 | 6 | 13.78 | 18.47 | 34.75 | 41.05 | 6 | 15.87 | 25.71 | 55.37 | 57.13 | | /MPa | W | /MPa | A4 | | | | | | | | | 2 | 5.65 | 26.75 | 45.21 | 59.45 | 2 | 3.05 | 14.83 | 17.6 | 32.96 | 4 | 9.18 | 27.32 | 47.32 | 60.71 | 4 | 9.10 | 16.45 | 27.4 | 36.56 | 6 | 17.61 | 29.99 | 49.37 | 66.65 | 6 | 10.22 | 17.43 | 26.31 | 38.74 | /MPa | A5 | /MPa | A6 | | | | | | | | | 2 | 4.30 | 11.02 | 14.62 | 24.49 | 2 | 11.43 | 19.85 | 36.58 | 44.12 | 4 | 4.38 | 14.94 | 21.90 | 33.21 | 4 | 6.22 | 22.10 | 43.32 | 49.11 | 6 | 8.89 | 18.94 | 34.21 | 42.08 | 6 | 21.91 | 25.51 | 46.31 | 56.68 | | /MPa | W | /MPa | A4 | | | | | | | | | 2 | 7.25 | 24.36 | 28.76 | 54.13 | 2 | 2.59 | 10.65 | 16.84 | 23.67 | 4 | 15.45 | 25.67 | 41.23 | 57.05 | 4 | 9.10 | 18.83 | 24.31 | 41.84 | 6 | 15.98 | 28.46 | 46.93 | 63.25 | 6 | 8.70 | 17.27 | 25.16 | 38.38 | /MPa | A5 | /MPa | A6 | | | | | | | | | 2 | 4.70 | 10.23 | 18.04 | 22.73 | 2 | 8.62 | 18.43 | 30.84 | 40.95 | 4 | 11.56 | 12.67 | 19.32 | 28.15 | 4 | 8.84 | 21.42 | 39.10 | 47.60 | 6 | 7.98 | 17.92 | 27.44 | 39.82 | 6 | 17.88 | 23.24 | 45.29 | 51.64 | | /MPa | W | /MPa | A4 | | | | | | | | | 2 | 9.27 | 19.31 | 35.87 | 42.92 | 2 | 5.21 | 10.97 | 9.75 | 24.37 | 4 | 13.17 | 25.39 | 43.31 | 56.43 | 4 | 6.99 | 14.04 | 17.82 | 31.21 | 6 | 13.04 | 25.59 | 45.65 | 56.86 | 6 | 10.03 | 16.32 | 24.28 | 36.27 | /MPa | A5 | /MPa | A6 | | | | | | | | | 2 | 3.91 | 7.87 | 12.50 | 17.49 | 2 | 8.27 | 18.40 | 27.21 | 40.89 | 4 | 3.59 | 10.57 | 17.47 | 23.49 | 4 | 6.88 | 15.49 | 28.46 | 34.42 | 6 | 7.25 | 12.28 | 23.92 | 27.29 | 6 | 9.55 | 24.65 | 32.51 | 54.77 |
|
|