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Table 2 Summary of the measured physical properties of Waipapa greywacke from this study
Property | Measured range | # of tests | Mean | Standard deviation |
|---|---|---|---|---|
Tensile strength (MPa) | 14.4–32.42 | 10 | 21.07 | 8.28 |
UCS (MPa) | 205–384 | 10 | 285.6 | 60.17 |
Poisson’s ratio (\({\nu}_{\rm S}\)) | 0.19–0.36 | 10 | 0.316 | 0.1 |
Young’s modulus (\({E}_{\rm S}\)) (GPa) | 54–85 | 10 | 72.8 | 9.04 |
Poisson’s ratio (\({\nu}_{\rm D}\)) | 0.28–0.30 | 3 | 0.29 | 0.01 |
Young’s modulus (\({E}_{\rm D}\)) (GPa) | 80–84 | 3 | 81.7 | 2.08 |
Bulk density (ρ) (g cm–3) | 2.721–2.731 | 3 | 2.726 | 0.0051 |
Connected porosity (ɸ) (vol%) | 0.841–1.304 | 17 | 1.035 | 0.152 |