Table 1 Chemical analysis of barite, slag, cement, and silica fume used (mass %).
Chemical constituent | Barite aggregate (%) | GGBFS (%) | Silica fume (%) | Cement (%) |
---|---|---|---|---|
Al2O3 | 1.2 | 8.50 | 0.21 | 4.43 |
Fe2O3 | 2.1 | 0.24 | - | 2.60 |
SiO2 | 0.1 | 37.20 | 97.10 | 19.10 |
CaO | 0.04 | 38.90 | 0.5 | 63.80 |
TiO2 | 0.02 | 0.30 | - | 0.25 |
MnO | - | 0.51 | - | 0.19 |
K2O | - | 0.36 | - | 0.53 |
MgO | 0.06 | 10.20 | 0.4 | 2.39 |
Na2O | 0.31 | 0.46 | - | 0.41 |
P2O5 | 0.02 | - | 0.09 | |
Cl− 1 | 0.08 | 0.03 | - | 0.09 |
SO3 | 28.2 | 3.01 | - | 3.49 |
SrO | - | 0.06 | - | 0.02 |
BaO | 65.9 | 0.08 | - | 0.03 |
P2O5 | 0.06 | - | - | - |
Loss by Annealing | 1.2 | 0.36 | - | 2.31 |