Utilization of Construction Waste Composite Powder Materials as Cementitious Materials in Small-Scale Prefabricated Concrete

Table 3

Physical properties of CWCPM.

	Standard consistency water (%)	Loss on ignition (%)	Density (kg/m^3)	Specific surface area (m^2/kg)	Particle size (μm)
Required value	<1.0%	<5%	2~3	>300	5~16
Measured value	0.285	4.22	2.82	415	8~16