Bulk density, ρbulk (g/cm3) | True density, ρtrue (g/cm3) | Effective porosity ne (%) | Tensile strength, St (MPa)* | Equotip rebound value, L | Longitudinal wave velocity, Vp (km/s) | |
---|---|---|---|---|---|---|
Ubara sandstone | 1.56 | 2.67 | 41.8 | 1.67 | 392 | 0.84 |
Oya tuff | 1.39 | 2.39 | 42.3 | 1.37 | 452 | 2.30 |
Aoshima sandstone | 2.40 | 2.66 | 5.3 | 5.75 | 593 | 3.32 |