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Report Details

Title:Performance of Recycled Asphalt Pavement in Gravel Roads
Authors:Scott Koch and Khaled Ksaibati
University:University of Wyoming
Publication Date:Oct 2010
Report #:MPC-10-226A
Project #:MPC-287
TRID #:01325030
Keywords:asphalt pavements, dust control, gravel roads, low volume roads, pavement design, pavement distress, pavement performance, recycled materials, serviceability



As more Recycled Asphalt Pavement (RAP) becomes available to use in roadways, The Wyoming T2/LTAP Center and two Wyoming Counties investigated the use of RAP in gravel roads. The Wyoming DOT and the Mountain-Plains Consortium funded this study. The investigation explored the use RAP as a means of dust suppression on gravel roads while considering road serviceability.

Several 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 were summarized and statistically analyzed.

The performance of RAP sections was compared with the performance of gravel control sections. This comparison allowed for fundamental conclusions and recommendations to be made for RAP and its ability for dust abatement. It was found that RAP-incorporated gravel roads can reduce dust loss without adversely affecting the road's serviceability. Other counties and agencies can expand on this research to add another tool to their toolbox for dust control on gravel roads.

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How to Cite

Koch, Scott, and Khaled Ksaibati. Performance of Recycled Asphalt Pavement in Gravel Roads, MPC-10-226A. North Dakota State University - Upper Great Plains Transportation Institute, Fargo: Mountain-Plains Consortium, 2010.

NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050