Rutting of Airport Pavement Granular Layers

In Tai Kim, Jayhyun Kwon, Erol Tutumluer

Research output: Contribution to conferencePaperpeer-review


This paper focuses on predicting rutting performances of airport pavement granular layers from laboratory testing. Typical field stress states occurring in the granular layers of the Federal Aviation Administration's (FAA's) National Airport Pavement Test Facility (NAPTF) flexible pavement sections were realistically assessed from finite element analyses. The granular specimen tested Was the FAA's P209 base course material, a crushed aggregate, also used in the NAPTF test sections. Using an innovative repeated load triaxial testing device with the capability to apply multidirectional stress pulsing on laboratory specimens, permanent deformation accumulation was studied for various applied stress levels, stress ratios, and stress loading paths. The test results indicated that an increase in the applied stress levels/ratios, or a decrease in the confinement, mainly resulted in a higher rate of permanent deformation accumulation. Such high stress levels/ratios and the rotating nature of applied principal stresses under a moving aircraft wheel are the primary factors that contribute to significant rutting in airport pavement granular layers. Models were developed from the test results to predict the accumulation of permanent deformation.

Original languageEnglish (US)
Number of pages14
StatePublished - 2003
EventAirfield Pavements: Challenges and New Technologies, Proceedings of the Specialty Conference - Las Vegas, NV, United States
Duration: Sep 21 2003Sep 24 2003


OtherAirfield Pavements: Challenges and New Technologies, Proceedings of the Specialty Conference
Country/TerritoryUnited States
CityLas Vegas, NV

ASJC Scopus subject areas

  • General Engineering


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