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Table 3 Summary of the relevant data and uncertainty for PfSst and TenSst
Pfinztal Sandstone | Tennenbach Sandstone | |
|---|---|---|
Young’s modulus (GPa) | 13.4 ± 1.5 | 10.9 ± 0.8 |
Poisson ratio | 0.14 ± 0.03 | 0.24 ± 0.03 |
Porosity (%) | 8 | 9 |
Density (kg/m3) | 2380 ± 77 | 2130 ± 110 |
Initial yield stress (MPa) | 36.0 | 16.1 |
Displacement at top (m/s) | 1.6 * 10−5 | 1.6 * 10−5 |
Slope of the yield surface | 1.80 | 1.63 |
Confinement (MPa) | 0–90 | 0–90 |