|
Rock Type: Trap Rock
Specific Gravity: Bulk (SSD) 2.86, range 2.826 – 2.912 *
Source No: 8-10R
* Specific gravities and unit weights are subject to change and should be verified before use |
STONE |
Application |
3 1/2" minus
|
Used in erosion control |
1 1/2 ”
|
Used in tracking pads and erosion control and railroad ballast |
1 1/4" |
Used in railroad ballast |
3/4" |
Used in hot mix asphalt, Portland cement concrete and as a drainage material |
| ASTM 57 |
Used in concrete and drainage |
| 1/2" |
Used in hot mix asphalt and concrete |
| 3/8” |
Used in hot mix asphalt and Portland cement concrete |
| 1/4" |
Used in hot mix asphalt and block mix |
Manufactured Sand |
Used in hot mix asphalt, Portland cement concrete, septic system bedding material |
| Screenings |
Used in hot mix asphalt, in many types of aggregate blends for specialty products |
| Item 4 |
Used as a sub base under roadways, compactable fill material |
ASPHALT |
Application |
| Marshall Mixes: |
|
Type 1 Base |
A dense graded base or binder course |
| Type 2 Base (Open) |
General road bas |
| Type 3 Dense Binder |
A dense graded base or binder course |
| Type 5 Shim |
A sand and asphalt mix used for crack filling and low areas in roadways and parking lots |
| Type 6 Top (Regular Fine) |
A surface course for medium to heavy traffic roadways |
Type 6F |
A surface course mix for low to medium traffic roadways |
Type 7 Top (Extra Fine) |
A fine surface course |
| Curb Mix |
A fine mix used for curbs |
| Superpave: |
|
| 37.5mm |
A course graded base course used for all traffic levels with different ESAL levels |
| 25mm |
A course graded binder course used for all traffic levels |
| 19mm |
A dense graded binder course used for all traffic levels |
| 12.5mm |
A surface course used for all traffic levels with different ESAL levels |
| 9.5mm |
A fine surface course |
| Shim |
Used to repair small areas in roadways and parking lots |
|