Research Article
Energy Analysis Method for Uniaxial Compression Test of Sandstone under Static and Quasi-Dynamic Loading Rates
Table 3
Linear energy storage fitting formula under the static-quasi-dynamic loading rate.
| | Loading rates (mm/s) | a | b | Fitting formula |
| | 1.0 × 10−3 | 0.41019 | 0.20536 | Ue = 0.41019U + 0.20536 | | 5.0 × 10−3 | 0.43912 | 0.12641 | Ue = 0.43912U + 0.12641 | | 1.0 × 10−2 | 0.40720 | 0.46631 | Ue = 0.40720U + 0.46631 | | 5.0 × 10−2 | 0.43143 | 0.3333 | Ue = 0.43143U + 0.33330 | | 1.0 × 10−1 | 0.45195 | 0.24409 | Ue = 0.45195U + 0.24409 |
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