Strength Deterioration of Concrete in Sulfate Environment: An Experimental Study and Theoretical Modeling

Figure 5

Micromorphology of concrete.

(a) Microstructure of uncorroded concrete

(b) Local features of the microstructure of uncorroded concrete

(c) Microstructure of concrete after 60 days of corrosion

(d) Local features of the microstructure of concrete after 60 days of corrosion

(e) Microstructure of concrete after 150 days of corrosion

(f) Local features of the microstructure of concrete after 150 days of corrosion

(g) Enlarged view of the internal fractures of concrete after 150 days of corrosion