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| P1 (MPa) | P2 (MPa) | P (MPa) | σc (MPa) | σe (MPa) |
|---|---|---|---|---|
| 0.5 | 0.1 | 0.3 | 2 | 1.7 |
| 0.9 | 0.1 | 0.5 | 2 | 1.5 |
| 1.5 | 0.1 | 0.8 | 2 | 1.2 |
| 1.9 | 0.1 | 1.0 | 2 | 1.0 |
| 2.5 | 0.1 | 1.3 | 2 | 0.7 |
P1: inlet pressure; P2 outlet pressure; P: average pore fluid pressure; σc: confining stress; and σe: effective stress.
