Research Article

Experimental Research on Mix Ratio of Construction Waste Cemented Filling Material Based on Response Surface Methodology

Table 2

Chemical composition and physical properties of fly ash.

 SiO2Al2O3Fe2O3CaOMgOK2ONa2OSO3LossTotalFineness (m2/kg)Density (kg/m3)

Fly ash37.224.58.48.31.61.21.612.22.797.7119.02.2