A Mesoscopic Model for Predicting the Chloride Diffusivity’ Representative Volume Element in Concrete as a Random Composite

Figure 4

Random aggregate model with different sizes of specimens. (a) 100 × 100 mm. (b) 150 × 150 mm. (c) 200 × 200 mm. (d) 250 × 250 mm.

(a)

(b)

(c)

(d)