Effects of Test Conditions on APA Rutting and Prediction Modeling for Asphalt Mixtures

Table 3

Design gradations and optimal asphalt contents of asphalt mixtures.

Gradation type	Mass percentage (%) through the following mesh (mm)												OAC (%)
	26.5	19	16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075	Matrix asphalt	Modified asphalt
AC-20 C-type	100	92.3	82.9	69.6	58.2	39.9	27.3	18.7	13.7	10.9	6.9	4.7	4.0	4.2
AC-20 F-type	100	95.1	88.9	79.7	68.5	53.3	40.9	31.1	21.6	16.3	8.9	5.4	4.3	4.3
AC-13	100	100	100	97.3	75.4	45.6	27.1	20.3	14.2	10.7	8.2	5.1	5.1	4.9