Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment

Figure 3

Apparent characteristics of concrete subjected to sulfuric acid corrosion after 150 days. (a) pH = 4.00, /c = 0.40. (b) pH = 3.70, /c = 0.50. (c) pH = 3.40, /c = 0.60. (d) pH = 3.10, /c = 0.70. (e) pH = 2.80, /c = 0.35. (f) pH = 2.50, /c = 0.45. (g) pH = 2.20, /c = 0.55. (h) pH = 2.00, /c = 0.65.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)