Estimation of Soil-Water Characteristic Curve for Cohesive Soils with Methylene Blue Value
Table 2
Testing results.
Soil sample
Liquid limit (%)
Plastic limit (%)
PI (%)
Optimum moisture content (%)
Maximum dry density (g/cm3)
P200 (%)
MBV (mg/g)
Classification
S1
43.30
26.10
17.20
11.20
1.84
52.14
18.98
ML
S2
36.10
22.70
13.40
14.00
1.88
66.80
20.18
CLS
S3
33.60
19.80
13.80
11.90
1.93
54.00
22.38
MLS
S4
35.90
19.10
16.80
11.20
1.84
51.60
27.33
CLS
S5
36.60
21.50
15.10
18.90
1.68
56.50
31.87
CLS
S6
42.50
25.00
17.50
17.20
1.75
79.10
34.64
CL
S7
44.70
28.50
16.20
15.50
1.85
73.10
37.12
CLS
S8
42.30
22.00
20.30
14.00
1.86
59.80
38.27
CLS
S9
35.80
19.30
16.50
16.00
1.92
68.70
40.45
CLS
S10
39.80
26.80
13.00
18.00
1.80
72.30
44.13
CLS
S11
35.70
16.00
19.70
11.40
1.98
64.30
54.11
CLS
S12
35.80
17.00
18.80
15.50
1.84
94.20
57.34
CL
S13
46.10
22.10
24.00
17.00
1.84
93.10
80.33
CLS
S14
56.50
30.10
26.40
23.50
1.56
95.08
94.00
CH
S15
40.90
21.60
19.30
14.80
1.87
64.30
39.97
CLS
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%).