Table 1
Material parameters used in the simulations.
| Type | Pe (Pa) | Ps (Pa) | ρs0 (kg/m3) | ρ0 (kg/m3) | ρcompact (kg/m3) | α 0 | A (Pa) | μ | Y0 (Pa) | YT (Pa) |
|
|
||||||||||
| Low strength | 102 | 104 | 910 | 440 | 1980 | 4.5 | 2.67 × 106 | 0.55 | 102 | 101 |
| Medium str. (nominal) | 103 | 105 | 910 | 440 | 1980 | 4.5 | 2.67 × 106 | 0.55 | 103 | 102 |
| High strength | 104 | 106 | 910 | 440 | 1980 | 4.5 | 2.67 × 106 | 0.55 | 104 | 103 |
Notes. Crush curve parameters Pe and Ps (Jutzi et al. 2008), density of matrix material ρs0, initial bulk density ρ0, density of the compacted material ρcompact, initial distention α0, bulk modulus A, friction coefficient μ, cohesion Y0, average tensile strength YT.
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