Secondly, comparing the effect mechanism of 3 kinds of fibers in asphalt mixtures, it was found that the MF-AFR fiber could replace another two.

• 其次分析并比较了3种纤维在沥青混合料中的作用机理，证明MF-AFR纤维取代木质素纤维、聚合物纤维是可行的。