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

Table 3

Technical properties of filler.

Properties		Unit	Technical requirements	Results
Apparent density		g/cm^3	≥2.50	2.679
Water content		%	≤1	0.3
Hydrophilic coefficient		—	<1	0.75
Particle size	<0.6 mm	%	100	100
	<0.15 mm	%	90–100	98.8
	<0.075 mm	%	75–100	87.4