Research Article

Estimation of Soil-Water Characteristic Curve for Cohesive Soils with Methylene Blue Value

Table 2

Testing results.

Soil sampleLiquid limit (%)Plastic limit (%)PI (%)Optimum moisture content (%)Maximum dry density (g/cm3)P200 (%)MBV (mg/g)Classification

S143.3026.1017.2011.201.8452.1418.98ML
S236.1022.7013.4014.001.8866.8020.18CLS
S333.6019.8013.8011.901.9354.0022.38MLS
S435.9019.1016.8011.201.8451.6027.33CLS
S536.6021.5015.1018.901.6856.5031.87CLS
S642.5025.0017.5017.201.7579.1034.64CL
S744.7028.5016.2015.501.8573.1037.12CLS
S842.3022.0020.3014.001.8659.8038.27CLS
S935.8019.3016.5016.001.9268.7040.45CLS
S1039.8026.8013.0018.001.8072.3044.13CLS
S1135.7016.0019.7011.401.9864.3054.11CLS
S1235.8017.0018.8015.501.8494.2057.34CL
S1346.1022.1024.0017.001.8493.1080.33CLS
S1456.5030.1026.4023.501.5695.0894.00CH
S1540.9021.6019.3014.801.8764.3039.97CLS

Note. M denotes silt; C denotes clay; S denotes soils with sand; L and H denote soils with a low liquid limit (no more than 50%) and a high liquid limit (larger than 50%).