Effects of Continuous Laydown and Compaction on Interlayer Shear Bonding of Asphalt Layers

Table 2

Technical indexes of aggregate.

Indexes		Measured value	Standards	Test methods
Coarse aggregate	Los Angeles wear value (%)	24	≤28	T0317
	Crushing value (%)	12.3	≤28	T0316
	Asphalt adhesion	5	>grade 4	T0616
	Percentage of lamellar carpolite (%)	14.7	≤15.0	T0312
	Mud content (%)	0.4	≤1	T0333
	Water absorption ability (%)	0.4	≤2.0	T0307
Fine aggregate	Mud content (%)	1.9	≤3	T0333
	Sand equivalent (%)	68	≥60	T0334
Mineral powders	Water content (%)	0.5	≤1	T0332
	Hydraulic coefficient	0.6	≤1	T0353