Table 2.
XRF results of natural soils and binders (% by weight)
| Weight (W %) | SA (W %) | SB (W %) | SV (W %) | LFS (W %) | Lime (W %) |
|---|---|---|---|---|---|
| CaO | 59.58 | 12.83 | 26.82 | 56.7 | 92.3 |
| SiO2 | 20.52 | 69.06 | 45.25 | 17.7 | 1.20 |
| MgO | 1.93 | 1.16 | 8.25 | 9.60 | 1.40 |
| Fe2O3 | 3.15 | 3.26 | 3.51 | 2.20 | 0.30 |
| Al2O3 | 8.27 | 11.41 | 10.85 | 6.60 | 2.10 |
| SO3 | 0.29 | 0.08 | 0.25 | 0.92 | 0.10 |
| TiO2 | 0.25 | 0.63 | 0.38 | 0.34 | 0.80 |
| K2O+Na2O | 1.68 | 2.59 | 2.55 | 0.10 | 0.90 |
| F | 1.89 | N.D. | 0.15 | N.D. | N.D. |
| LOI 110* | 2.18 | 1.72 | 2.84 | - | - |
| LOI 550* | 5.64 | 3.99 | 6.62 | - | - |
*LOI, loss on Ignition 110 °C/550 °C, calculated from the mass loss obtained in ignition analysis, mainly corresponding to H2O and CO2