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

Figure 11

DTG analysis results of 70# asphalt at different UV ageing stages: (a) 76.25 h, (b) 152.5 h, (c) 228 h, and (d) 305 h.