Laboratory Performance of Liquid Anti-Stripping Agents in Asphalt Mixtures used in South Carolina

The main objectives of this research project are to a) evaluate the use of liquid anti-strip additives (LASAs) in high-volume PG 64-22 asphalt mixtures typically used in various parts of the state; and b) determine the recommended dosage rate of the LASAs in various mixtures. A secondary objective includes a comparison of the laboratory performance of these LASA mixtures to the laboratory performance of mixtures containing hydrated lime. Results of this study will show how different anti stripping products, including hydrated lime and LASA, are performing in everyday South Carolina Department of Transportation (SCDOT) mixtures. The results will also determine if the Department should permit LASA in other mix types such as high volume traffic mixes. This additional usage of LASA could be a cost benefit to the Department through reduced mixture production costs as realized through decreased material costs, reduced costs in setting up new asphalt plants without having to purchase additional lime equipment, and eliminating maintenance costs associated with hydrated lime storage and usage.


  • English


  • Status: Active
  • Contract Numbers:


  • Sponsor Organizations:

    South Carolina Department of Transportation

    955 Park Street
    P.O. Box 191
    Columbia, SC  United States  29202-0191

    Federal Highway Administration

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

    Tri-County Technical College

    P.O. Box 587
    Pendelton, SC  United States  29670
  • Principal Investigators:

    Amirkhanian, Serji

  • Start Date: 20160315
  • Expected Completion Date: 20170915
  • Actual Completion Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 01592679
  • Record Type: Research project
  • Source Agency: South Carolina Department of Transportation
  • Contract Numbers: 726
  • Files: RiP, STATEDOT
  • Created Date: Mar 4 2016 3:33PM