Table 1 Chemical composition and physical properties of cement and mineral admixtures.
From: A Study on High Performance Fine-Grained Concrete Containing Rice Husk Ash
Chemical analyses (%) | PC40 | RHA | SF | LSP |
|---|---|---|---|---|
SiO2 | 21.29 | 86.81 | 96.20 | 0.17 |
Al2O3 | 5.72 | 0.50 | 0.70 | 0.02 |
Fe2O3 | 3.30 | 0.87 | 0.30 | 0.04 |
CaO | 63.18 | 1.04 | 0.00 | 54.88 |
MgO | 1.10 | 0.85 | 0.10 | 0.45 |
Na2O | 0.12 | 0.69 | 0.06 | 0.02 |
K2O | 0.30 | 3.16 | 0.37 | 0.04 |
LOI | 0.193 | 4.6 | 1.60 | 43.46 |
Density (g/cm3) | 3.10 | 2.24 | 2.26 | 2.72 |
Mean particle size (µm) | 16.12 | 8.42 | 0.29 | 18.19 |
Blaine SSA[BET-SSA] (m2/g) | 0.369 | [23.32] | [26.43] | 0.321 |