By compar-ison with SBS and shoe rubber powder,the article points out that ultra-fine tyre rubber powder modified bitumen has good cost performance.

• 对超细轮胎胎面胶粉在沥青改性方面作了实验阶段的研究,并将其与SBS、细鞋胶粉进行比较,指出用超细轮胎胎面胶粉改性沥青有较好的性价比。