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Title:

Recycled Asphalt Pavement (RAP) in Gravel Roads

Accession Number:

01337415

Record Type:

Component

Abstract:

The Wyoming T²/LTAP (Local Technical Assistance Program) Center and two Wyoming Counties investigated the use of recycled asphalt pavement (RAP) in gravel roads. The Wyoming Department of Transportation (DOT) along with the Mountain Plains Consortium funded this study. The investigation explored the use RAP as a means of dust suppression while considering road serviceability. Test sections were constructed in two Wyoming Counties and were monitored for dust loss using the Colorado State University Dustometer. Surface distress evaluations of the test sections were performed following a technique developed by the U.S. Army Corps of Engineers in Special Report 92-26: Unsurfaced Road Maintenance Management. The data collected was summarized and statistically analyzed using statistical analysis software. Analysis of the relationship between dust and moisture content of the roadway as well as dust and wind speed were performed. A contrast analysis was also performed on the collected data. This technique allowed for more than one section to be in a given group allowing for comparison to be made on more than a one-to-one basis. The groupings included sections containing the following characteristics: Laramie County, Johnson County, RAP, no RAP, calcium chloride (CaCl), and no CaCl. The results of the contrast analysis allowed for fundamental conclusions and recommendations to be made for RAP and its ability for dust suppression. It was found that RAP incorporated into gravel roads can reduce dust loss. Other counties and agencies can expand on this research to add another tool to their toolbox for dust control on gravel roads.

Supplemental Notes:

The DVD lists the title of this paper as: Recycled Asphalt Pavement in Gravel Roads.

Monograph Accession #:

01329018

Report/Paper Numbers:

11-2171

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Koch, Scott B
Ksaibati, Khaled

Pagination:

17p

Publication Date:

2011

Conference:

Transportation Research Board 90th Annual Meeting

Location: Washington DC, United States
Date: 2011-1-23 to 2011-1-27
Sponsors: Transportation Research Board

Media Type:

DVD

Features:

Figures; Photos; References (10) ; Tables (3)

Uncontrolled Terms:

Wind speed

Subject Areas:

Highways; Maintenance and Preservation; Pavements; I61: Equipment and Maintenance Methods

Source Data:

Transportation Research Board Annual Meeting 2011 Paper #11-2171

Files:

TRIS, TRB

Created Date:

Feb 17 2011 6:05PM