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
SiO2Al2O3Fe2O3CaOMgOSO3F-CaO

CSA-K (Type I)2.92,2801.4813.100.6047.800.5032.27

CSA-J (Type 2)2.93,1173.8013.550.3051.3528.6616.02