A FIELD EXPERIMENT WITH MINERAL FILLER (AASHO ROAD TEST)

EIGHT YEARS OF SERVICE EXPERIENCE WITH FOUR INERT MINERAL FILLER TYPES IN DENSEGRADE BITUMINOUS CONCRETE (CLASS I), IN AN EXPERIMENTAL PROJECT AT THE SITE OF THE FORMER AASHO ROAD TEST FACILITY HAVE SHOWN NO IMPORTANT BEHAVIORAL ATTRIBUTABLE TO INDIVIDUAL CHARACTERISTICS OF THE MINERAL FILLERS. LABORATORY TESTS OF SAMPLES OF THE PAVEMENTS RECOVERED AT AGE FIVE YEARS ALSO SHOWED NO IMPORTANT DIFFERENCES. MINERAL FILLERS INCLUDED IN THE INVESTIGATION WERE LIMESTONE DUST, ASBESTOS FIBER, HYDRATED LIME, AND KAOLIN CLAY. ALL PAVEMENT OF THE EXPERIMENTAL PROJECT IS SHOWING ACCEPTABLE SERVICE AT THE AGE OF EIGHT YEARS. /FHWA/

Subject/Index Terms

Filing Info

  • Accession Number: 00210477
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Report/Paper Numbers: Report No Ihr-28
  • Files: TRIS, USDOT
  • Created Date: Jun 18 1972 12:00AM