Table 6 Blended grading of coarse aggregates (40% 19.0 mm aggregate + 60% 12.5 mm aggregate) with cumulative passing percentages at each sieve size, demonstrating compliance with AASHTO M-43 specification limits for combined aggregates.

Passing % of 19.0 mm aggregate

100

100

28.4

6.3

0.4

0.0

Passing % of 12.5 mm aggregate

100

100

93.7

39.8

1.8

0.9

Combination of Aggregates according to AASHTO M-43

40% of 19.0 mm aggregate

40

40

11.4

2.5

0.2

0

60% of 12.5 mm aggregate

60

60

56.2

23.9

1.1

0.54

Blend grading

100

100

67.6

26.4

1.2

0.54

AASHTO M-43 Specifications (%)

100

90–100

-

20–55

0–10

-