Research Article
Experimental Study on Moisture Migration of Unsaturated Loess during the Freezing Process
| Soil sample number | Dry density ρd (g/cm3) | Initial moisture content (%) | Cold end temperature (°C) |
| N1 | 1.30 | 19.4 | −13 | N2 | 1.50 | 19.4 | −13 | N3 | 1.65 | 19.4 | −13 | N4 | 1.30 | 16.2 | −13 | N5 | 1.50 | 16.2 | −13 | N6 | 1.65 | 16.2 | −13 | N7 | 1.30 | 13.3 | −13 | N8 | 1.50 | 13.3 | −13 | N9 | 1.65 | 13.3 | −13 | N10 | 1.30 | 19.4 | −7 | N11 | 1.30 | 19.4 | −10 | N12 | 1.30 | 19.4 | Frozen for 5 d at −7°C, 5 d at −10°C, and 4 d at −13°C | N13 | 1.30 | 19.4 | Frozen for 7 d at −7°C, and 7 d at −13°C |
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