Design of Micro-Surfacing and Chip Sealing Mixes with RAP for Local Roadway Applications

Over past the four decades there has been a growing interest to increase the amounts of Reclaimed Asphalt Pavement (RAP) used in construction of pavement structures. The use of RAP not only can reduce the construction cost, but it also conserves non-renewable natural resources such as the aggregates and the asphalt binder. Despite the increasing amounts of RAP used in new mixes, a recent survey by the National Asphalt Pavement Association (NAPA) indicated that there is still at least 4 million tons of RAP that has been accepted by asphalt contractors but was not used in new asphalt mixes. This amount does not include the RAP material that has been hauled to local and state agencies yards but have not been used. Therefore, during the past few years some local public agencies (LPAs) and state Department of Transportation (DOTs) have investigated the use of RAP in pavement preservation and maintenance treatments. The main goal of this study is to develop a method to design cost-effective, well-performing, and durable micro-surfacing or chip seal mixtures with various RAP contents to be used on local roadways in Ohio. It will also provide recommendations for quality control methods of RAP used in these mixtures for local roadways applications. The study will also assess the availability and feasibility of using RAP in micro-surfacing or chip seal applications and develop field study to evaluate the proposed applications.


  • English


  • Status: Completed
  • Funding: $182846
  • Contract Numbers:




  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Managing Organizations:

    Ohio Department of Transportation

    Research Program
    1980 West Broad Street
    Columbus, OH  United States  43223
  • Project Managers:

    Lucas, Michelle

  • Performing Organizations:

    Ohio University, Athens

    Athens, OH  United States  45701
  • Principal Investigators:

    Robbins, Mary

  • Start Date: 20200218
  • Expected Completion Date: 20220218
  • Actual Completion Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 01730914
  • Record Type: Research project
  • Source Agency: Ohio Department of Transportation
  • Contract Numbers: 33719, 135996, 109868
  • Files: RIP, STATEDOT
  • Created Date: Feb 13 2020 1:18PM