Table 1.
Index properties and Chemical composition of Clay and GS.
| Property | Value (Clay) | Value (GS) | Chemical Composition | Value of Clay (%) | Value of GS (%) |
|---|---|---|---|---|---|
| Specific gravity | 2.62 | 2.72 | Silica (SiO2) | 55.34 | 53.06 |
| Liquid limit (%) | 45.13 | - | Alumina (Al2O3) | 9.92 | 6.16 |
| Plastic limit (%) | 22.34 | - | Calcium Oxide (CaO) | 1.06 | 1.64 |
| Plasticity Index (%) | 22.79 | - | Magnesium Oxide (MgO) | 1.97 | 5.86 |
| Shrinkage limit (%) | 13 | - | Titanium Oxide (TiO2) | 1.13 | 0.32 |
| % Fines | 63 | 10 | Ferric Oxide (Fe2O3) | 8.15 | 9.06 |
| IS classification | CI | SP-SM | Sodium Oxide (Na2O) | 0.31 | 1.37 |
| DFS (%) | 33 | - | |||
| Maximum Dry Density (g/cc) | 1.75 | 2.1 | |||
| Optimum Moisture Content (%) | 16.3 | 8.3 | |||