Research Article
Strength Improvement of Black Cotton Soil Using Plastic Bottles and Crushed Glass Wastes
Table 3
Geotechnical properties of the natural soil.
| Geotechnical properties | Values |
| Grain analysis | Gravel (%) | 2.4 | Sand (%) | 2.9 | Silt (%) | 38.6 | Clay (%) | 56.1 | Natural moisture content (%) | 44 | Average specific gravity (g/cm3) | 2.67 | Free swell (%) | 128 | Linear shrinkage (%) | 25 | Liquid limit (%) | 87 | Plastic limit (%) | 34.4 | Plasticity index (%) | 52.6 | Maximum dry density (g/cm3) | 1.4 | Optimum moisture content (%) | 25.1 | California Bearing Ratio | 2.6 | Unconfined Compressive Strength (kPa) | Native soil | 53 | Remolded | 91.2 |
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