Research Article
Physical and Mechanical Characteristics of Shallow Expansive Soil due to Freeze-Thaw Effect with Water Supplement
Table 2
Physical properties of expansive soil samples.
| Physical index | Value |
| Specific gravity, Gs | 2.73 | Liquid limit, (%) | 69.1 | Plastic limit, (%) | 21.3 | Plasticity index, IP (%) | 47.8 | Free swelling ratio (%) | 103 | Optimum water content (%) | 23.0 | Maximum dry density (g/cm3) | 1.68 | Freezing point (°C) | −1.64 |
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