Research Article
Coupling Effect of Strain Rate and Freeze-Thaw Temperature on Dynamic Mechanical Properties and Fractal Characteristic of Saturated Yellow Sandstone
Table 4
Fractal characteristic parameters of fractured sandstone.
| (°C) | (s-1) | | | | | | | | | | | |
| -5 | 74.22 | 0.13 | 0.11 | 0.09 | 0.06 | 0.04 | 0.03 | 0.02 | 0.02 | 0.99 | 2.01 | 91.64 | 0.37 | 0.37 | 0.29 | 0.21 | 0.11 | 0.08 | 0.06 | 0.04 | 0.91 | 2.09 | 118.22 | 0.60 | 0.54 | 0.48 | 0.38 | 0.30 | 0.24 | 0.19 | 0.13 | 0.58 | 2.29 | 169.41 | 0.74 | 0.65 | 0.59 | 0.48 | 0.37 | 0.30 | 0.25 | 0.16 | 0.56 | 2.44 |
| -10 | 74.22 | 0.16 | 0.15 | 0.13 | 0.09 | 0.06 | 0.04 | 0.03 | 0.02 | 0.92 | 2.08 | 91.64 | 0.46 | 0.41 | 0.33 | 0.27 | 0.18 | 0.13 | 0.10 | 0.07 | 0.72 | 2.28 | 118.22 | 0.61 | 0.60 | 0.54 | 0.48 | 0.38 | 0.28 | 0.23 | 0.15 | 0.54 | 2.46 | 169.41 | 0.89 | 0.84 | 0.82 | 0.71 | 0.60 | 0.48 | 0.39 | 0.26 | 0.47 | 2.53 |
| -15 | 74.22 | 0.24 | 0.23 | 0.16 | 0.11 | 0.06 | 0.05 | 0.04 | 0.02 | 0.90 | 2.10 | 91.64 | 0.54 | 0.53 | 0.48 | 0.37 | 0.26 | 0.19 | 0.15 | 0.10 | 0.67 | 2.33 | 118.22 | 0.69 | 0.64 | 0.55 | 0.45 | 0.36 | 0.29 | 0.25 | 0.17 | 0.52 | 2.48 | 169.41 | 0.92 | 0.92 | 0.90 | 0.85 | 0.69 | 0.56 | 0.51 | 0.34 | 0.38 | 2.62 |
| -20 | 74.22 | 0.35 | 0.30 | 0.28 | 0.16 | 0.10 | 0.08 | 0.06 | 0.04 | 0.82 | 2.18 | 91.64 | 0.61 | 0.54 | 0.52 | 0.42 | 0.34 | 0.27 | 0.22 | 0.14 | 0.60 | 2.40 | 118.22 | 0.68 | 0.68 | 0.67 | 0.58 | 0.47 | 0.38 | 0.32 | 0.21 | 0.48 | 2.52 | 169.41 | 0.96 | 0.96 | 0.93 | 0.89 | 0.77 | 0.64 | 0.55 | 0.37 | 0.36 | 2.64 |
| -30 | 74.22 | 0.44 | 0.44 | 0.35 | 0.29 | 0.21 | 0.16 | 0.13 | 0.08 | 0.65 | 2.35 | 91.64 | 0.71 | 0.65 | 0.59 | 0.47 | 0.37 | 0.29 | 0.25 | 0.16 | 0.57 | 2.43 | 118.22 | 0.72 | 0.70 | 0.68 | 0.57 | 0.45 | 0.36 | 0.30 | 0.21 | 0.45 | 2.55 | 169.41 | 0.97 | 0.97 | 0.96 | 0.91 | 0.83 | 0.71 | 0.61 | 0.44 | 0.30 | 2.70 |
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