Research Article
Use of Factory-Waste Shingles and Cement Kiln Dust to Enhance the Performance of Soil Used in Road Works
Table 2
Chemical compositions of the different CKD.
| Chemical Composition | CKD1 | CKD2 | CKD3 |
| Silicon Dioxide, (SiO2) | 18.56 | 9.93 | 19.30 | Aluminum Oxide, (Al2O3) | 5.51 | 3.38 | 5.02 | Ferric Oxide, (Fe2O3) | 2.35 | 2.08 | 2.58 | Calcium Oxide, (CaO) | 60.07 | 51.32 | 60.98 | Magnesium Oxide, (MgO) | 2.37 | 1.60 | 2.64 | Sodium Oxide, (Na2O) | 0.23 | 0.23 | 0.30 | Potassium Oxide, (K2O) | 4.11 | 3.67 | 1.18 | Phosphorus Oxide, (P2O5) | 0.14 | 0.09 | 0.16 | Titanium Oxide, (TiO2) | 0.21 | 0.21 | 0.25 | Chloride, (Cl) | 2.39 | — | — | Sulphur Trioxide, (SO3) | 3.96 | 18.14 | 4.35 | Loss On Ignition | 15.23 | — | 3.10 |
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