Experimental Study on the High-Temperature Shear Performance of Asphalt Mixtures

Table 4

Mineral aggregate gradation ranges of the AC-13 and AC-20C asphalt mixtures.

AC-13C				AC-20C
Screen-aperture (mm)	Upper limit (%)	Lower limit (%)	Midvalue (%)	Screen-aperture (mm)	Upper limit (%)	Lower limit (%)	Midvalue (%)
—	—	—	—	26.5	100	100	100
—	—	—	—	19	100	90	95
16	100	100	100	16	92	78	85
13.2	100	90	95	13.2	80	62	71
9.5	85	68	76.5	9.5	72	50	61
4.75	68	38	53	4.75	56	26	41
2.36	50	24	37	2.36	44	16	30
1.18	38	15	26.5	1.18	33	12	22.5
0.6	28	10	19	0.6	24	8	16
0.3	20	7	13.5	0.3	17	5	11
0.15	15	5	10	0.15	13	4	8.5
0.075	8	4	6	0.075	7	3	5