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

Figure 4

Compressive strength of specimens, before immersion in sulfuric acid solution. Compressive strength of mixtures with a W/B of (a) 0.25 and (b) 0.40.

(a)

(b)