Table 2 Mechanical parameters of the materials.
Type | Elastic modulus E/Pa | Shear modulus E/Pa | Density g/cm3 | Internal friction angle/Φ | Cohesion/Pa | Tensile strength /Pa |
|---|---|---|---|---|---|---|
Upper bedrock | 1.096 × 1010 | 6.895 × 109 | 2700 | 36.94 | 4.2778 × 107 | 8.54 × 106 |
Bottom bedrock | 1.096 × 1010 | 6.895 × 109 | 2700 | 36.94 | 4.2778 × 107 | 8.54 × 106 |
Peripheral rock along the strike of the orebody | 1.096 × 1010 | 6.895 × 109 | 2700 | 36.94 | 4.2778 × 107 | 8.54 × 106 |
Orebody | 3.218 × 109 | 2.024 × 109 | 2700 | 32.60 | 2.145 × 107 | 4.91 × 106 |
1:4 backfill body | 2.894 × 107 | 2.449 × 107 | 2700 | 43.50 | 3.1 × 105 | 1.51 × 106 |
1:8 backfill body | 1.234 × 107 | 9.71 × 106 | 2700 | 38.70 | 1.71 × 105 | 4.2 × 105 |
Noncollodion backfill | 6.32 × 106 | 3.68 × 106 | 2700 | 32.00 | 1.7 × 104 | 3 × 104 |
Top Column | 2.894 × 107 | 2.449 × 107 | 2700 | 43.50 | 3.1 × 105 | 1.51 × 106 |
Bottom column | 1.096 × 1010 | 6.895 × 109 | 2700 | 36.94 | 4.2778 × 107 | 8.54 × 106 |
