Study on Ultraviolet Aging Performance of Composite Modified Asphalt Based on Rheological Properties and Molecular Dynamics Simulation

Figure 7

Four-component molecular model of asphalt before and after aging, (a) As, (b) Age As, (c) R, (d) Age, (R) (e) Ar, (f) Age Ar, (g) S.

(a)

(b)

(c)

(d)

(e)

(f)

(g)