Research Article
Performance and Microstructural Analysis of Lightweight Concrete Blended with Nanosilica under Sulfate Attack
Table 1
Chemical composition of materials.
| Chemical composition | Weight (%) | Perlite | Aliven | NS | Cement |
| Silicon oxide (SiO2) | 72.45 | 59.67 | 93.56 | 20.9 | Titanium oxide (TiO2) | 0.22 | 1.19 | 0.02 | 0.21 | Aluminum oxide (Al2O3) | 13.38 | 16.95 | 0.00 | 4.72 | Iron oxide (Fe2O3) | 1.35 | 9.79 | 0.39 | 3.20 | Magnesium oxide (MgO) | 0.08 | 4.13 | 0.13 | 1.80 | Calcium oxide (CaO) | 1.20 | 3.57 | 0.22 | 60.69 | Sodium oxide (Na2O) | 3.40 | 2.07 | 0.62 | 0.37 | Potassium oxide (K2O) | 4.57 | 1.28 | 0.02 | 0.61 | Sulfur oxide (SO3) | 0.09 | 0.04 | 0.30 | 0.13 | Ignition losses at 1000°C | 2.92 | 0.75 | 4.46 | 3.68 |
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