The Impact of Different Levels of In-Place Density on Asphalt Pavement Performance

A full-scale experiment was conducted at the Florida Department of Transportation's (FDOT’s) accelerated pavement testing (APT) facility to assess the impact of different in-place density levels on asphalt pavement performance. Three test sections having similar underlying condition and asphalt mixture were constructed. A typical 12.5-mm fine-graded Superpave asphalt mixture used in Florida with a PG 76-22 polymer modified asphalt (PMA) binder was placed at target in-place densities of 87%, 90%, and 93%, respectively, while complying with all the other standard FDOT construction and materials specifications and methods. The findings of this experiment showed that higher in-place density corresponded to better rutting performance, and higher indirect tensile (IDT) strength which is indicative of better cracking resistance. The Cantabro loss test results showed that higher in-place density resulted in lower material loss which is indicative of better raveling resistance. Results from the Dynamic Friction Tester (DFT) showed that in-place density did not affect surface friction. The surface macrotexture mean profile depth (MPD) data showed that higher in-place density resulted in the lower MPD during Heavy Vehicle Simulator (HVS) testing.

  • Supplemental Notes:
    • This paper was sponsored by TRB committee AFH60 Standing Committee on Asphalt Pavement Construction and Rehabilitation.
  • Corporate Authors:

    Transportation Research Board

    ,    
  • Authors:
    • Allick Jr, Wayne A
    • Choubane, Bouzid
    • Kwon, Ohhoon
    • Hernando, David
  • Conference:
  • Date: 2019

Language

  • English

Media Info

  • Media Type: Digital/other
  • Features: Figures; References; Tables;
  • Pagination: 8p

Subject/Index Terms

Filing Info

  • Accession Number: 01698437
  • Record Type: Publication
  • Report/Paper Numbers: 19-01863
  • Files: TRIS, TRB, ATRI
  • Created Date: Dec 7 2018 9:34AM