Rheological Properties and Microscopic Characterization of Delayed Decay-Modified Asphalt Based on UV Ageing

Figure 4

and δ change curves of T622 modified asphalt under different aging times. (a) 76.25 h. (b) 152.5 h. (c) 228 h. (d) 305 h.

(a)

(b)

(c)

(d)