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Tableau 2
Propriétés mécaniques des roches et des matériaux de scellement utilisés pour la préparation de la plupart des échantillons.
Mechanical properties of the rocks and grouting materials used to prepare the majority of the samples.
| Grès des Vosges | Résine | Ciment (e:c = 0,35) | |
|---|---|---|---|
| Densité (kg/m3) | 2130 | 1987 | 1958 |
| Module de Young (MPa) | 25 600 | 11 450 | 17 500 |
| Coefficient de Poisson (–) | 0,26 | 0,31 | 0,27 |
| Résistance à la compression simple (MPa) | 62,4 | 67,1 | 44,1 |
| Résistance à la traction (MPa) | 3,1 | 12,1 | 3,2 |
| Cohésion (MPa) | 12,4 | 20,2 | * |
| Angle de frottement (°) | 46 | 28 | * |
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