Table 2.
Experimental scheme.
Group | Soil type | Moisture content (%) | Temperature (°C) |
---|---|---|---|
A | Loess | 2, 4, 5, 7, 9, 10, 15, 18, 20, 25, 26, 30 | -20, -15, -10, -5, -1, 0, 5, 10, 15, 20, 25, 30, 40, 45 |
B | Sand | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 18 | -20, -15, -10, -5, -1, 0, 5, 10, 15, 20, 25, 30, 40, 45 |