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

Table 4

Statistical table of alpha.

Specimen type	Aggregate size	The proportion of alpha (%)			Average angle (°)
		0°∼30°	31°∼60°	61°∼90°
Drilling specimen before the rutting test	2.36∼4.75 mm	46	34	20	35.83
	4.75∼9.5 mm	69	16	15	29.60
	9.5∼20 mm	62	19	19	27.08
Drilling specimen after the rutting test	2.36∼4.75 mm	51	30	19	37.79
	4.75∼9.5 mm	66	24	10	28.86
	9.5∼20 mm	67	22	11	25.00
Marshall specimen before the rutting test	2.36∼4.75 mm	44	28	28	39.87
	4.75∼9.5 mm	54	29	17	39.59
	9.5∼20 mm	47	30	23	43.98
Marshall specimen after the rutting test	2.36∼4.75 mm	47	26	27	40.61
	4.75∼9.5 mm	41	34	25	38.92
	9.5∼20 mm	33	50	17	40.01