Table 8 Regression summary of geotechnical properties.

From: Performance optimization of black cotton soil stabilized with FGD gypsum and cement via response surface methodology

 

Mean

St Dev

S

R-sq

LL

42.11

8.20

5.50

0.55

PL

26.70

4.71

3.20

0.55

PI

15.41

4.59

2.90

0.60

SL

7.80

0.73

0.40

0.65

MDD

1.88

0.09

0.05

0.68

OMC

17.91

1.59

1.00

0.60

K

0.000006

0.000010

0.000004

0.50

UCS

551.9

34.53

20

0.67

CBR S

27.47

7.052

4.20

0.64

CBR US

38.22

8.89

4.90

0.70

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