Study on Cracking Resistance of Basalt Fiber-Reinforced Microbond Asphalt Macadam

Table 5

Gradation range of G-A-5 grading macadam for the upper base.

Sieve mesh (mm)	Passing percentage (%)
	26.5	19	16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075
Upper limit	100	100	89	79	63	40	28	20	14	10	7	5
Lower limit	100	95	82	70	53	30	19	12	8	5	3	2
Gradation median	100	97.5	85.5	74.5	58	35	23.5	16	11	7.5	5	3.5