Research Article
Effect Investigation of Ultraviolet Ageing on the Rheological Properties, Micro-Structure, and Chemical Composition of Asphalt Binder Modified by Modifying Polymer
Figure 18
Functional group variation of PA modified asphalt at different UV ageing stages: (a) IAr, (b) IC=O, (c) IS=O, and (d) Comparison.
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| (b) |
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