Table 2 Orthogonal experimental design table.
Interaction level number | Temperature/°C | Confining pressure/MPa | Water content/% | Dry density/(g/cm3) |
|---|---|---|---|---|
A-1 | −5 | 0.5 | 15 | 1.66 |
A-2 | −5 | 1 | 17.5 | 1.86 |
A-3 | −5 | 1.5 | 20 | 1.76 |
A-4 | −5 | 2 | 12.5 | 1.56 |
B-1 | −10 | 0.5 | 12.5 | 1.76 |
B-2 | −10 | 1 | 20 | 1.56 |
B-3 | −10 | 1.5 | 17.5 | 1.66 |
B-4 | −10 | 2 | 15 | 1.86 |
C-1 | −15 | 0.5 | 17.5 | 1.56 |
C-2 | −15 | 1 | 15 | 1.76 |
C-3 | −15 | 1.5 | 12.5 | 1.86 |
C-4 | −15 | 2 | 20 | 1.66 |
D-1 | −20 | 0.5 | 20 | 1.86 |
D-2 | −20 | 1 | 12.5 | 1.66 |
D-3 | −20 | 1.5 | 15 | 1.56 |
D-4 | −20 | 2 | 17.5 | 1.76 |
