HEAVY-DUTY ASPHALT MIXTURE DESIGN: A COMPARISON OF SHRP AND MARSHALL DESIGNED MIXTURES USING SHRP PERFORMANCE-RELATED TESTING

A comparison of performance-related asphalt mixture properties between a 75 blow Marshall mix designed according to FAA P401 and a SHRP mix designed for <39 degrees C and > or = 1 x 10 (8) 18 kN equivalent single axle loads was conducted. The aggregate used was a high quality 100 percent crushed Alabama limestone. Two asphalt types were employed, a traditional AC-10 and AC-30 viscosity grade that were SHRP graded as a PG58-34 and PG64-22, respectively. Mixture samples for performance-related testing were cored or sawed from ingots prepared by rolling wheel compaction. Specimens were tested for shear properties by the Repeated Simple Shear Test at Constant Height, for fatigue properties by the Flexural Beam Fatigue Test, and thermal properties by the Thermal Stress Restrained Specimen Test. The results of the shear testing indicated no statistical differences between SHRP and Marshall mixture designs for any of the mixtures.

Language

  • English

Media Info

  • Features: References; Tables;
  • Pagination: p. 353-367

Subject/Index Terms

Filing Info

  • Accession Number: 00768224
  • Record Type: Publication
  • ISBN: 0784403511
  • Files: TRIS
  • Created Date: Aug 25 1999 12:00AM