A New Method for Designing Dense Skeleton Asphalt Mixture Based on Meso Parameter

Table 3

Properties of UM asphalt.

Test indicators	Requirements	Test result
Appearance	Black powder	Black powder
Ash content (%)	≤20	12
Asphalt content (%)	≥70	88
Specific density (g/cm^3)	0.75	0.765
Water content (%)	≤1	1.28
Granularity (0.075 passing rate) (%)	—	32.4