Table 1: Chemical compositions of materials.

SiO2Al2O3CaOFe3O4MgONa2OK2OSO3Loss

Slag powder33.1916.4535.391.268.070.340.362.361.02
Metakaolin51.2842.390.311.740.270.150.221.12
Fly ash53.3625.524.637.861.100.921.350.442.52