Average of Five Samples from One Roadway
(percentage)
| ||||||
---|---|---|---|---|---|---|
Sieve Size
|
I-2
|
I-3
|
I-4
|
I-5
|
I-6
| |
No. 8
|
±4.0
|
±3.0
|
±2.5
|
±3.0
|
±4.0
| |
No. 50
|
±2.5
|
±2.0
|
±2.0
|
±2.5
|
±2.5
| |
No. 200
|
±1.0
|
±1.0
|
±1.0
|
±1.0
|
±1.0
| |
Asphalt
|
±0.15
|
±0.15
|
±0.15
|
±0.15
|
±0.15
|
Individual Samples Tested from One Road
(percentage)
| ||||||
---|---|---|---|---|---|---|
Sieve Size
|
I-2
|
I-3
|
I-4
|
I-5
|
I-6
| |
No. 8
|
±4.5
|
±4.0
|
±4.0
|
±4.0
|
±4.0
| |
No. 50
|
±3.0
|
±3.0
|
±3.0
|
±3.0
|
±3.0
| |
No. 200
|
±1.4
|
±1.4
|
±1.4
|
±1.4
|
±1.4
| |
Asphalt
|
±0.25
|
±0.25
|
±0.25
|
±0.25
|
0.25
|
Design and Control Requirements
| ||||||
---|---|---|---|---|---|---|
Sieve Size
|
I-2
|
I-3
|
I-4
|
I-5
|
I-6
| |
Design stability (pounds minimum)
|
1,500
|
1,500
|
1,500
|
1,200
|
—
| |
Control stability (pounds minimum)
|
1,200
|
1,200
|
1,200
|
900
|
—
| |
Flow valve 0.01 inch
|
6 - 18
|
6 - 18
|
6 - 16
|
6 - 16
|
—
| |
Design air voids (percentage)
|
2 - 5
|
2 - 5
|
2 - 5
|
2 - 6
|
2 - 6
| |
Control air voids (average of 5 samples) (percentage)
|
2 - 8
|
2 - 8
|
2 - 8
|
2 - 8
|
2 - 8
|
Speed
(mph)
|
Distance
(feet)
| ||
---|---|---|---|
10
|
45
| ||
15
|
70
| ||
20
|
90
| ||
25
|
110
| ||
30
|
130
| ||
35
|
155
| ||
40
|
180
| ||
50
|
220
| ||
60
|
260
| ||
70
|
310
|