Study on Permeability and Blocking Resistance of Composite Specimen with Double-Layer Permeable Asphalt Mixture

Figure 5

CT images of compound specimens: (a) (20% + 22%)-1#, (b) (20% + 22%)-2#, (c) (22% + 22%)-1#, (d) (22% + 22%)-2#, (e) (24% + 22%)-1#, and (f) (24% + 22%)-2#.

(a)

(b)

(c)

(d)

(e)

(f)