Moisture Stability of Hard Sandstone Asphalt Mixture Based on APT with MMLS3

Table 2

Properties of fine aggregate.

Properties	Unit	Technical requirements	Results
Apparent relative density	—	≥2.50	2.62
Durability/soundness	%	≤12	0.9
Mud content	%	≤3	1.8
Methylene blue value	g/kg	≤25	16
Angularity	s	≥30	45