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

Table 6

Mix proportion for the compressive strength of concrete, 28 MPa at an age of 28 days.

Compressive strength (MPa) cylinder (15 × 30 cm)	Mix proportion (kg/m^3)				Admixture (cc)	W/B ratio	Slump (cm)
	Cementitious materials	Water	Fine aggregate	Coarse aggregate
28	298	180	930	1,050	700–800	0.60	5–10