Evaluating RLWT Rutting Test of Asphalt Mixtures Based on Industrial Computerized Tomography

Table 3

Statistical table of air void ratio.

	Item	Drilling specimen	Marshall specimen
Image method	Threshold T1	40	40
	Air void content of upper 3 mm specimen (%)	5.50	4.09
	Air void content (%)	3.7	3.0
	Maximum air void content (%)	6.55	6.2
	Minimum air void content (%)	2.5	1.6
	Variable coefficient	0.33	0.28
	Standard air void content (%) (submerged weight in water method)	4.71	3.53