Study on Damage of the OGFC Mixture Based on Characteristics of Void Distribution

Table 5

Gradation composition.

Composite gradation	Passing percentage of each sieve（%）
	16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075
OGFC-1	100	94.1	70.2	21.0	16.4	12.2	8.0	5.9	5.1	4.5
OGFC-2	100	92.5	62.4	18.7	14.8	11.2	7.6	5.8	5.1	4.5
OGFC-3	100	91.5	61.4	16.8	13.1	10.1	7.1	5.6	5.0	4.4
Upper limit of gradation	100	100	80	30	22	18	15	12	8	6
Median gradation	100	95	70	21	16	12	9.5	7.5	6	4
Lower limit of gradation	100	90	60	12	10	6	4	3	4	2