Research Article
Effect of Expansive Admixtures on the Shrinkage and Mechanical Properties of High-Performance Fiber-Reinforced Cement Composites
Table 1
Chemical components of CSA-based expansion admixtures (EXAs).
| EXA (type) | Specific gravity (kg/m3) | Specific surface (cm²/g) | Chemical composition | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | SO3 | F-CaO |
| CSA-K (Type I) | 2.9 | 2,280 | 1.48 | 13.10 | 0.60 | 47.80 | 0.50 | 32.27 | — |
| CSA-J (Type 2) | 2.9 | 3,117 | 3.80 | 13.55 | 0.30 | 51.35 | — | 28.66 | 16.02 |
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