USE OF ADDITIVES TO RETARD HARDENING OF ASPHALTS BY ACTING SOLAR RADIATION

A TEST WAS DEVELOPED TO MEASURE THE EXTENT OF HARDENING SUFFERED BY A PARTICULAR ASPHALT SAMPLE OF FIXED FILM THICK- NESS EXPOSED IN AIR TO THE EFFECTS OF TIME, HEAT, AND ACTIN- IC LIGHT. FURTHER INVESTIGATIONS INDICATED THAT THE VANADIUM CONTENT OF A PARTICULAR ASPHALT IN GENERAL CORRELATED REASONABLY WELL WITH THE MAGNITUDE OF HARDENING WHICH OCCURRED DURING THE TEST. THE STUDY DISCUSSED IN THIS REPORT DEALS WITH THE USE OF ADDITIVE MATERIALS THAT INHIBIT OR RETARD THE HARDENING PROCESS. SUCH ADDITIVES ARE KNOWN VARIOUSLY AS ULTRAVIOLET INHIBITORS OR METAL DEACTIVATORS. SEVERAL ADDITIVES USED WERE FOUND TO POSSESS A CONSIDERABLE RANGE OF EFFECTIVENESS.

  • Supplemental Notes:
    • RES. REPT. 175-1
  • Corporate Authors:

    Texas Transportation Institute

    Texas A&M University System, 1600 E Lamar Boulevard
    Arlington, TX  United States  76011
  • Authors:
    • Traxler, R N
  • Publication Date: 1972-3

Media Info

  • Pagination: 35 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00211766
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 8 1973 12:00AM