Pavement and Noise Reduction Performance of Open-Graded Asphalt Friction Course Improved by Waste Tire Crumb Rubber

Figure 2

Crumb rubber sample and scanning electron microscope (SEM). (a) Raw crumb rubber. (b) Treated crumb rubber. (c) Surface texture of raw crumb rubber. (d) Surface texture of treated crumb rubber.

(a)

(b)

(c)

(d)