| Sample | Compressive Resistance of Prisms (kN) | |||
|---|---|---|---|---|
| Average | St. Dev. | COV (%) | Increase | |
| 2P-1 | 9.72 | 3.38 | 35 | --- |
| 2P-2 | 45.47 | 12.21 | 27 | 368% |
| 2P-3 | 50.43 | 13.61 | 27 | 419% |
| 2P-4 | 120.73 | 16.89 | 14 | 1142% |
| 3P-1 | 9.49 | 2.08 | 22 | --- |
| 3P-2 | 52.71 | 9.07 | 17 | 455% |
| 3P-3 | 45.03 | 10.38 | 23 | 374% |
| 3P-4 | 109.17 | 11.23 | 10 | 1050% |