Investigation on the Mechanical Properties and Microscopic Characteristics of Modified Steel Slag Concrete under Sulfate Erosion

Figure 6

Microstructure of steel slag concrete modified by sulfate solution erosion.

(a) M-0 (28 d)

(b) M-1 (28 d)

(c) M-2 (28 d)

(d) M-0 (56 d)

(e) M-1 (56 d)

(f) M-2 (56 d)