Table 1: Physical properties and compaction characteristics of soils [18].

Soil propertiesSilty sand with clay soilSilty-clay soil

Specific gravity02.5802.50
Liquid limit (%)25.3053.35
Plastic limit (%)19.0329.32
Plasticity index (%)04.2724.03
Grain size
Sand (%)61.604.86
Silt (%)21.6841.46
Clay (%)16.7253.68
Optimum moisture content (OMC) (%)13.1025.75
Maximum dry density (MDD) (kN/m3)18.8015.60
Coefficient of permeability at MDD (m/s)8.87E − 093.39E − 10