Mechanical Strength and Microstructure of Soft Soil Stabilized with Cement, Lime, and Metakaolin-Based Geopolymer Stabilizers

Table 1

Physical properties of soil [25].

Property	Values
Plastic limit, PL (%)	34
Liquid limit, LL (%)	61
Plasticity index, PI (%)	27
Sand fraction (≥75 µm) (%)	13.92
Silt fraction (75 µm ≤ 2 µm) (%)	61.69
Clay fraction <2 µm (%)	24.39
Passing sieve 75 µm (%)	86.08
Specific gravity (Gs)	2.73
Soil pH value	7.88
Optimum moisture content (OMC) (%)	26
Maximum dry density (MDD) (g/cm^3)	1.52
Soil classification (USCS)	MH