Effects of Sand Powder on Sulfuric Acid Resistance, Compressive Strength, Cost Benefits, and CO₂ Reduction of High CaO Fly Ash Concrete

Table 2

Physical properties of Portland cement type I, sand powder, and fly ashes.

Physical properties	Portland cement type I (OPC)	Sand powder (GS)	Fly ash
			Mae Moh (FAM)	BLCP (FAR)
Specific gravity	3.13	2.60	2.26	2.16
Blaine fineness (cm^2/g)	3,660	3,590	2,460	3,400
Mean diameter (µm)	15.41	15.18	17.74	15.91