SECTION 1028 -- SUPERPAVE ASPHALTIC CONCRETE

values less than 45 will not be approved if the blended aggregate gradation
passes through the restricted zone.
Table 1028.06
Gradation Control Points for 0.375 Inch (9.5 mm) Nominal Size
English Sieve
(Metric)
1/2 inch (12.5 mm) 100.0
Control Points
(percent passing)
3/8 inch (9.5 mm) 90.0 100.0
No. 4 (4.75 mm) 90.0
Restricted Zone Boundary
(percent passing)
Minimum Maximum Minimum Maximum
No. 8 (2.36 mm) 32.0 67.0 47.2 47.2
No. 16 (1.18 mm) 31.6 37.6
No. 30 (600 µm) 23.5 27.5
No. 50 (300 µm) 18.7 18.7
*No. 200 (75 µm) 2.0 10.0
* see note following Table 1028.08
Table 1028.07
Gradation Control Points for 0.5 Inch (12.5 mm) Nominal Size
English Sieve
(Metric)
3/4 inch (19 mm) 100.0
Control Points
(percent passing)
1/2 inch (12.5 mm) 90.00 100.00
3/8 inch (9.5 mm) 90.00
Restricted Zone Boundary
(percent passing)
Minimum Maximum Minimum Maximum
No. 8 (2.36 mm) 28.0 58.0 39.1 39.1
No. 16 (1.18 mm) 25.6 31.6
No. 30 (600 µm) 19.1 23.1
No. 50 (300 µm) 15.5 15.5
* No. 200 (75 µm) 2.0 10.0
* see note following Table 1028.08
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