Abstract
This paper describes a pit-scale experimental study aimed at quantifying and evaluating geogrid reinforcement in flexible pavements. Two sets of pavement sections are constructed on two different subgrades and trafficked using a Model Mobile Load Simulator (MMLS3). Each set of test sections consists of the same pavement materials and structure except for the geogrid type used for stabilizing the subgrade. Rutting of all sections are measured using a profilometer at various trafficking stages. Geogrid reinforcement effectiveness is found to be related to the difference in geogrids properties. Test results show that the geogrid reinforcement enhances the pavement performance with respect to rutting resistance compared to a non-reinforced system.
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