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

Figure 6

Weight change of specimens, in sulfuric acid solution with a pH of 1 for 240 days. (a) W/B of 0.25. (b) W/B of 0.40.

(a)

(b)