The results show that adding finery ground rubber powder into asphalt is an effective way to improve its properties at low temperature and aging properties, and the used tyres could be used.

• 经过大量的实验证明,利用精细废胶粉改性道路石油沥青是一条较好的途径,既使沥青路面低温性能、抗老化等能力增加,并且又可解决由于废轮胎积存而导致的污染问题。