Research Article
Influence of Eggshell Ash and Stone Powder on Geotechnical Properties of Expansive Clay in Dukem Town
Table 1
Chemical composition of ESA.
| Chemical | Composition (%) |
| Calcium oxide () | 74.61 | Calcium carbonate (CaCO3) | 14.79 | Magnesium oxide () | 1.39 | Silicon dioxide (SiO2) | 0.24 | Potassium oxide (K2O) | 0.087 | Iron oxide () | 0.0051 | Sodium (Na) | 0.13 | Sulfate (SO42−) | 0.27 | Strontium oxide (SrO) | 0.13 | Nickel oxide (NiO) | 0.001 | Chlorine (Cl) | 0.08 | LOI | 8.27 |
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