ASPHALTIC CONCRETE MIX DESIGN EVALUATION. FINAL REPORT

This report is concerned with a review of asphaltic concrete as designed by the Arizona Department of Transportation and its relationship to pavement performance. The examination consisted of analyses of the Hveem and Marshall mixture design, calculations to determine the magnitude and location of maximum tensile and shear stresses within the surface course of various pavement systems, the sampling of pavements considered to be of "good", "cracked", and "rutted" conditions, and comparing results obtained from a new mixture design procedure with values of air voids, voids in the mineral aggregate, and asphalt content obtained from measurements made on cores taken from pavements that had been in service. Additionally, details of the method of tests used in the design of paving mixtures were examined. The results of the study showed there was a relationship between pavement condition and the values of both air voids and voids in the mineral aggregate. The final densities of pavement cores were higher than the density obtained in design using either Hveem or 75-blow Marshall compaction. Recommendations include the study of laboratory compaction procedures to duplicate pavement density and to consider using the Hveem stabilometer followed by the Marshall test on the same specimen to obtain measures of resistance to rutting and cracking, respectively; additionally, the Marshall stability would be used for field control of the paving mixture.

• Corporate Authors:

  University of Arizona, Tucson

  Transportation and Traffic Institute
  Tucson, AZ  United States  85721

  Arizona Department of Transportation

  206 South 17th Avenue
  Phoenix, AZ  United States  85007

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Jimenez, R A
  • DaDeppo, D A
• Publication Date: 1986-6

Media Info

• Pagination: 120 p.

Subject/Index Terms

• TRT Terms: Air voids; Asphalt concrete; Evaluation; Hveem test; Mix design; Pavements; Shear stress; Tension
• Uncontrolled Terms: Marshall mix design; Pavement conditions; Tensile stress
• Old TRIS Terms: Air voids content
• Subject Areas: Highways; Materials; Pavements; I31: Bituminous Binders and Materials;

Filing Info

• Accession Number: 00457931
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: FHWA/AZ-86/189, ATTI-86-2
• Files: TRIS, USDOT, STATEDOT
• Created Date: Sep 30 1986 12:00AM