Comparing superpave gyratory compactor data to field cores

Robert L. Peterson, Kamyar C. Mahboub, R. Michael Anderson, Eyad Masad, Laith Tashman

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Achieving proper compaction of asphalt pavement is crucial to its longevity and acceptable performance. Laboratory compaction is an essential part of mix design. In order for the mix design process to be effective, laboratory compaction must adequately simulate field compaction. This study used mechanical properties measured with the Superpave shear tester to evaluate field compaction and laboratory compaction. The field compaction consisted of three test sections with different compaction patterns. The laboratory compaction used the Superpave gyratory compactor with adjustments to several parameters. Results of this study indicate that current gyratory protocol produces specimens with significantly different mechanical properties than field cores produced with the same material and compacted to the same air voids. Results also show that adjustments to certain parameters of the gyratory can produce specimens that better simulate the mechanical properties of pavement cores.

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalJournal of Materials in Civil Engineering
Issue number1
StatePublished - Jan 2004


  • Asphalt pavements
  • Asphalts
  • Compaction
  • Data analysis
  • Mechanical properties

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science
  • Mechanics of Materials


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