Material
|
Sample
|
Rate of Sample
|
Delivery Instructions
| |
---|---|---|---|---|
Bituminous concrete (in place)
|
6-inch square
|
Each 200 sq. yds.
|
Securely wrapped
| |
Bituminous stabilized base course (in place)
|
6-inch square
|
Each 200 sq. yds.
|
Securely wrapped
| |
Concrete
|
6- x 12-inch Cylinder
|
Each 50 cu. yds., each class
|
Common carrier in crates or delivery by vehicle
| |
Landscaping materials
|
Subject to job site inspection
| |||
Soil aggregate
|
50 pounds
|
500 cu. yds.
|
Large sample bag
|
Sieve Size
|
Percent by Weight Passing Square Mesh
Sieves
| |
---|---|---|
4-inch
|
100
| |
No. 200
|
0 to 5
|
Sieve Size
|
Percent by Weight Passing Square Mesh
Sieves
| |
---|---|---|
2-inch
|
100
| |
3/4-inch
|
70 to 100
| |
No. 4
|
35 to 75
| |
No. 40
|
15 to 30
| |
No. 200
|
4 to 12, see text
|
TABLE 3
| ||||
---|---|---|---|---|
Bituminous Concrete Mixtures
| ||||
Sieve
|
Grading of Total Aggregate*
(weight percent**)
| |||
Size
|
Gradation Mix No.
| |||
1
|
2
|
5
| ||
2-inch
|
100
|
--
|
--
| |
1 1/2-inch
|
90 - 100
|
100
|
--
| |
1-inch
|
--
|
90 - 100
|
--
| |
3/4-inch
|
60 - 100
|
--
|
--
| |
1/2-inch
|
--
|
60 - 80
|
100
| |
3/8-inch
|
--
|
--
|
90 - 100
| |
No. 4
|
25 - 60
|
25 - 60
|
60 - 80
| |
No. 8
|
20 - 50
|
15 - 45
|
35 - 65
| |
No. 16
|
--
|
--
|
--
| |
No. 30
|
--
|
--
|
--
| |
No. 50
|
8 - 30
|
3 - 18
|
6 - 25
| |
No. 100
|
--
|
--
|
--
| |
No. 200
|
4 - 12
|
1 - 7
|
4 - 10
| |
Asphalt Cement
(weight percent of total mixtures)
| ||||
3.5 - 8.0
|
4.0 - 8.5
|
5.0 - 10.0
|
NOTE: Material passing the No. 200 sieve may
consist of fine particles of the aggregate or mineral filler or both.
Material passing the No. 40 sieve shall be nonplastic when tested
in accordance with the requirements of current American Association
of State Highway Officials Designation T 90.
| ||
*
|
Course plus fine, plus filler if required.
| |
**
|
Amounts finer than each laboratory sieve (square
opening).
|
TABLE 3-B
| |||||
---|---|---|---|---|---|
Design and Control Requirements
| |||||
Test Limits
| |||||
Mix No.
| |||||
1
|
2
|
5
| |||
Criteria
|
Stone
|
Gravel
|
Stone
|
Stone
| |
Design stability (lbs. min.)
|
1500
|
1100
|
1200
|
1200
| |
Control stability (lbs. min.)
|
1200
|
800
|
900
|
900
| |
Flow value (0.01 inch)
|
6-18
|
6-18
|
6-18
|
6-16
| |
Design air voids (percentage)
|
3-7
|
3-7
|
3-7
|
3-6
| |
Control air voids (percentage)
|
2-10
|
2-10
|
2-10
|
2-10
|
Diameter
(inches)
|
15
|
18
|
21
|
24
|
30
|
36
|
42
|
48
|
54
|
60
|
66
|
72
|
78 - 90
|
Gauge
|
16
|
16
|
16
|
16
|
14
|
14
|
12
|
12
|
12
|
10
|
10
|
10
|
8
|
Span
Rise
|
18
11
|
22
13
|
25
16
|
29
18
|
36
22
|
43
27
|
50
31
|
58
36
|
65
40
|
72
44
|
Gauge
|
16
|
14
|
14
|
12
|
12
|
10
|
10
|
8
|
8
|
8
|
Diameter
|
15
|
18
|
21
|
24
|
30
|
36
|
42
|
48
|
54
|
60 and larger
|
Gauge
|
16
|
16
|
14
|
14
|
12
|
12
|
10
|
10
|
10
|
8
|
Span
Rise
|
18
11
|
22
13
|
25
16
|
29
18
|
36
22
|
43
27
|
50
31
|
58
36
|
65
40
|
72
44
|
Gauge
|
16
|
14
|
14
|
12
|
12
|
10
|
10
|
8
|
8
|
8
|