Research Article
Modelling of the Elasticity Modulus for Rock Using Genetic Expression Programming
Table 1
Mechanical and physical features of rocks used in experiments.
| | Min | Max | Mean | Standard deviation |
| ρ (g/cm3) | 1.91 | 3.24 | 2.65 | 0.28 | (km/s) | 0.74 | 6.48 | 4.23 | 1.26 | (km/s) | 0.48 | 5.13 | 2.71 | 0.99 | RN | 0.5 | 70.6 | 41.44 | 16.85 | (MPa) | 1.32 | 183 | 72.34 | 39.60 | (GPa) | 0.51 | 94 | 31.14 | 22.68 |
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