Road Performance and Microscopic Mechanism Analysis of Modified Straw Fiber Asphalt Binder

Figure 13

Fluorescent micrographs of asphalt and fibrous asphalt binder. (a) Asphalt binder. (b) Modified corn straw fiber asphalt. (c) Modified cotton straw fiber asphalt. (d) Lignin fiber asphalt.

(a)

(b)

(c)

(d)