Advances in Civil Engineering

Research Article

Recycling of Oily Sludge as a Roadbed Material Utilizing Phosphogypsum-Based Cementitious Materials

Table 3

Physical properties of materials.
Constituent/parameterFAOPCPGSF
AppearancePowderPowderPowderPowder
ColorGreyGreyGreyGrey
Specific gravity (g/cm3)2.352.223.142.20
Specific surface area (m2/kg)55048644312000