Research Article
Experimental Study on Swelling Behavior and Its Anisotropic Evaluation of Unsaturated Expansive Soil
Table 1
Physical and index properties of Baise expansive soil.
| | Soil specific gravity | Atterberg limits (%) | Grain size (%) | Free swelling ratio (%) | Montmorillonite content (%) | Cation exchange capacity (meq·100g−1) | Specific surface area (m2·g−1) | | WL | WP | IP | Silt | Clay |
| | 2.75 | 56.3 | 21.4 | 34.9 | 52.1 | 47.9 | 82 | 16.6 | 10 | 25 |
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