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

Table 1

Properties of coarse aggregate.

Test indicators	Requirements	Test result
Crushed stone value (%)	≤26	13.5
Los Angeles abrasion value (%)	≤28	24
Apparent specific density (g/cm^3)	≥2.60	>2.67
Water absorption (%)	≤2.0	0.75
Flat and elongated particle content (%)	≤15	8.6
Particle size ≥ 9.5 mm (%)	≤12	7.5
Particle size < 9.5 mm (%)	≤18	10.2
Content of particles < 0.075 mm (%)	≤1	0.7