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Tableau 2
Cas 1 – géométrie et caractéristiques géomécaniques.
Case 1 – geometry and geomechanics characteristics.
| Rayon du tunnel R[m] | 5 |
|---|---|
| Profondeur Z[m] | 175 |
| Contrainte initiale P0 [MPa] | 5,1 |
| Poids volumique γ [MN/m3] | 0,029 |
| GSI | 35 |
| Critère de résistance H&B (Oreste et al.) | |
| Résistance σci [MPa] | 60 |
| Paramètre mi | 12 |
| Paramètre mr | 0,115 |
| Paramètre sr | 2.10−5 |
| Paramètre ar | 0,519 |
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