Research Article
Determination of Scale Effects on Mechanical Properties of Berea Sandstone
Table 3
Effects of LDR on UCS of Berea sandstone samples.
| LDR | (in) | (in) | UCS (MPa) | UCSN | SFUCS |
| 1 | 0.75 | 0.75 | 33.6 | 1.06 | 1.17 | 1 | 1 | 1 | 43.9 | 1.32 | 1 | 1.5 | 1.5 | 43.2 | 0.99 | 1 | 2 | 2 | 51.3 | 1.29 | 1 | 3 | 3 | 49.7 | 1.17 | 1 | 4 | 4 | 56.2 | 1.21 |
| 1.2 | 1 | 1.2 | 36.2 | 1.09 | 1.00 | 1.2 | 1.5 | 1.8 | 39.4 | 0.91 |
| 1.3 | 0.75 | 1 | 34.1 | 1.07 | 1.05 | 1.3 | 1.5 | 2 | 43.4 | 1.00 | 1.3 | 3 | 4 | 45.8 | 1.08 |
| 1.5 | 0.5 | 0.75 | 30.2 | 1.07 | 1.01 | 1.5 | 1 | 1.5 | 33.6 | 1.01 | 1.5 | 2 | 3 | 39.5 | 0.99 | 1.5 | 4 | 6 | 45.8 | 0.98 |
| 1.6 | 0.75 | 1.2 | 33.6 | 1.06 | 1.06 |
| 1.8 | 1 | 1.8 | 33.5 | 1.01 | 1.01 |
| 2 | 0.5 | 1 | 28.3 | 1 | 1 | 2 | 0.75 | 1.5 | 31.8 | 1 | 2 | 1 | 2 | 33.2 | 1 | 2 | 1.5 | 3 | 43.5 | 1 | 2 | 2 | 4 | 39.7 | 1 | 2 | 3 | 6 | 42.6 | 1 | 2 | 4 | 8 | 46.5 | 1 |
| 2.4 | 0.5 | 1.2 | 33.7 | 1.19 | 1.05 | 2.4 | 0.75 | 1.8 | 28.8 | 0.91 |
| 2.5 | 4 | 10 | 41.8 | 0.90 | 0.90 |
| 2.7 | 0.75 | 2 | 34 | 1.07 | 0.99 | 2.7 | 1.5 | 4 | 38.3 | 0.88 | 2.7 | 3 | 8 | 43.1 | 1.01 |
| 3 | 0.5 | 1.5 | 21.2 | 0.75 | 0.91 | 3 | 1 | 3 | 34 | 1.02 | 3 | 2 | 6 | 37.8 | 0.95 |
| 3.3 | 3 | 10 | 38.7 | 0.91 | 0.91 |
| 4 | 1 | 4 | 30.2 | 0.91 | 0.92 | 4 | 1.5 | 6 | 41.3 | 0.95 | 4 | 2 | 8 | 36 | 0.91 |
| 5 | 2 | 10 | 28.8 | 0.73 | 0.73 |
| 5.3 | 1.5 | 8 | 33.6 | 0.77 | 0.77 |
| 6 | 1 | 6 | 24.1 | 0.73 | 0.73 |
| 6.7 | 1.5 | 10 | 30.8 | 0.71 | 0.71 |
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