Evaluation of DuPont Elvaloy RET Asphalt Modifier

The product is being evaluated in Engineering District 8-0, specifically along SR 0041, Section 003 near Gap, Lancaster County, PA. The Elvaloy modifier was added to a PG 64-22 hot-mixed asphalt. The resulting PG 76-22 rated mixture was placed on SR 0041 in Lancaster County. The control section is a standard styrene block co-polymer modified hot-mixed asphalt (PG 76-22 rated). Job mix formulas are included in Appendix A of this report. The contract was let on March 24, 2004 and awarded to McMinn's Asphalt Company, Inc. of East Petersburg, PA. Construction of the experimental and control sections occurred between October 9 and 12, 2004. All construction was completed using current methods, equipment, and procedures. Construction of the experimental and control sections were completed without incident. Laborers for McMinn's Asphalt Company noted improved workability compared to the control section. The evaluation of DuPont(TM) Elvaloy(R) RET asphalt modifier will be conducted on an annual basis for a period of five (5) years after placement.

  • Corporate Authors:

    Pennsylvania Department of Transportation

    Bureau of Construction and Materials, 1118 State Street, P.O. Box 2926
    Harrisburg, PA  United States  17105-2926

    Pennsylvania Department of Transportation

    Bureau of Planning and Research, 400 North Street, 6th Floor
    Harrisburg, PA  United States  17120-0064

    Federal Highway Administration

    222 Walnut Street, Suite 558
    Harrisburg, PA  United States  17101
  • Authors:
    • Klopp, Rodney J
  • Publication Date: 2005-3


  • English

Media Info

  • Media Type: Print
  • Edition: Construction Report
  • Features: Appendices; Figures; References;
  • Pagination: 42p

Subject/Index Terms

Filing Info

  • Accession Number: 01006002
  • Record Type: Publication
  • Report/Paper Numbers: RP 2004-051, FHWA-PA-2005-002-2004-051
  • Created Date: Oct 7 2005 4:29PM