Table 1: Summary of soil properties.

PropertyParametersValue

Grain size distributionGravel fraction28%
Sand fraction44%
Silt fraction13%
Clay fraction15%
Atterberg limitLiquid limit27.8%
Plastic limit17.7%
Plastic index10.1%
Proctor testOptimum moisture content16.5%
Maximum dry density (kg/m3)1710