Research Article
Parallel Offset Crack Interactions in Rock under Unloading Conditions
Table 4
Mechanical properties of sandstone and specimens.
| | Materials | Density (kg/m3) | Elastic modulus (GPa) | Uniaxial compressive strength (MPa) | Poisson’s ratio |
| | Sandstone | 10∼100 | 2000∼2600 | 4∼25 | 0.1∼0.3 | | Model | 2350 | 15.2 | 55 | 0.15 |
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