Road Performance and Ice-Melting Characteristics of Steel Wool Asphalt Mixture

Table 4

Gradation of asphalt mixture.

Gradation types		Mass percentage passing the following sieve holes (square sieve, mm)
		16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075
AC-13C		100	98.3	70.2	44.9	32.9	21.6	16.8	12.3	8.2	5.3
Technical requirement	Upper limit	100	100	85	68	50	38	28	20	15	8
	Lower limit	100	90	68	38	24	15	10	7	5	4