Effect Investigation of Ultraviolet Ageing on the Rheological Properties, Micro-Structure, and Chemical Composition of Asphalt Binder Modified by Modifying Polymer

Figure 13

DTG analysis results of PA modified asphalt at different UV ageing stages; (a) 76.25 h, (b) 152.5 h, (c) 228h, and (d) 305h.

(a)

(b)

(c)

(d)

(e)