(1993) Foamed Asphalt Shoulders City of Muscatine, HR-529, 1993. Transportation, Department of
|
PDF
IADOT_hr529_Foamed_Asphalt_Shoulders_City_Muscatine_1993.pdf File Size:433kB |
Abstract
Foamed asphalt shoulders were placed on an Industrial Connector road at the south edge of Muscatine. The foamed asphalt was produced by injecting 1 to 2 percent water into hot asphalt cement in a patented foaming chamber. A foam develops which is 10 to 15 times the original volume. of the asphalt cement. A 3/8" limestone aggregate was used in the foamed asphalt mixture. This foamed asphalt was placed on the shoulders and in the radii on the Industrial Connector road in May 1987. The radii were later replaced due to reconstruction, but the shoulders remain and performed fairly well with some recent stripping and potholing. The performance appeared to be lower than expected from conventional hot mix on projects with similar traffic.
| Item Type: | Departmental Report |
|---|---|
| Keywords: | Asphalt concrete pavements, Foamed asphalt, Limestone aggregates, Pavement performance, Road shoulders |
| Subjects: | Transportation > Pavements Transportation > Pavements > Asphalt Transportation Transportation > Materials Transportation > Materials > Gravel and aggregates Transportation > Roads and highways |
| ID Code: | 19731 |
| Deposited By: | Iowa DOT Library |
| Deposited On: | 02 Jun 2015 18:22 |
| Last Modified: | 02 Jun 2015 18:22 |
| URI: | https://publications.iowa.gov/id/eprint/19731 |