Table 4 ANOVA outcomes.

From: Enhancing performance and sustainability of GGBFS-based self-compacting geopolymer concrete blended with coal bottom ash and metakaolin by using RSM modelling

Response

Source

Sum of Squares

Df

Mean Square

F-Value

p-value > F

Significance

Slump flow test

Model

59,496.78

5

11,899.36

423.23

 < 0.0001

Yes

A-MK

5285.39

1

5285.39

187.99

 < 0.0001

Yes

B-CBA

6705.01

1

6705.01

238.48

 < 0.0001

Yes

AB

56.34

1

56.34

2.00

0.1873

No

A2

840.05

1

840.05

29.88

0.0003

Yes

B2

20.80

1

20.80

0.74

0.4098

No

Residual

281.16

10

28.12

   

Lack of Fit

281.16

5

56.23

   

Pure Error

0.000

5

0.000

   

Cor Total

59,777.94

15

    

V-funnel flow test

Model

30.37

5

6.07

1299.45

 < 0.0001

Yes

A-MK

1.67

1

1.67

357.73

 < 0.0001

Yes

B-CBA

1.17

1

1.17

249.30

 < 0.0001

Yes

AB

0.19

1

0.19

41.20

 < 0.0001

Yes

A2

0.38

1

0.38

80.36

 < 0.0001

Yes

B2

0.18

1

0.18

38.45

0.0001

Yes

Residual

0.047

10

4.674E−003

   

Lack of Fit

0.047

5

9.348E−003

   

Pure Error

0.000

5

0.000

   

Cor Total

30.41

15

    

T50 flow test

Model

18.96

5

3.79

264.55

 < 0.0001

Yes

A-MK

1.05

1

1.05

73.29

 < 0.0001

Yes

B-CBA

1.07

1

1.07

75.01

 < 0.0001

Yes

AB

0.056

1

0.056

3.89

0.0770

No

A2

0.031

1

0.031

2.19

0.1693

No

B2

0.090

1

0.090

6.31

0.0308

Yes

Residual

0.14

10

0.014

   

Lack of Fit

0.11

5

0.022

3.59

0.0937

No

Pure Error

0.031

5

6.250E−003

   

Cor Total

19.10

15

    

Compressive strength

Model

133.64

5

26.73

82.98

 < 0.0001

Yes

A-MK

84.80

1

84.80

263.30

 < 0.0001

Yes

B-CBA

88.55

1

88.55

274.92

 < 0.0001

Yes

AB

53.55

1

53.55

166.25

 < 0.0001

No

A2

42.00

1

42.00

130.40

 < 0.0001

Yes

B2

39.41

1

39.41

122.35

 < 0.0001

Yes

Residual

3.22

10

0.32

   

Lack of Fit

3.22

5

0.64

   

Pure Error

0.000

5

0.000

   

Cor Total

136.86

15

    

Splitting tensile strength

Model

0.75

5

0.15

27.43

 < 0.0001

Yes

A-MK

0.43

1

0.43

77.87

 < 0.0001

Yes

B-CBA

0.49

1

0.49

90.63

 < 0.0001

Yes

AB

0.28

1

0.28

52.17

 < 0.0001

No

A2

0.25

1

0.25

45.33

 < 0.0001

Yes

B2

0.22

1

0.22

39.38

 < 0.0001

Yes

Residual

0.055

10

5.460E−003

   

Lack of Fit

0.055

5

0.011

   

Pure Error

0.000

5

0.000

   

Cor Total

0.80

15

    

Flexural strength

Model

1.15

5

0.23

91.21

 < 0.0001

Yes

A-MK

0.74

1

0.74

292.49

 < 0.0001

Yes

B-CBA

0.80

1

0.80

314.87

 < 0.0001

Yes

AB

0.49

1

0.49

193.64

 < 0.0001

No

A2

0.42

1

0.42

167.25

 < 0.0001

Yes

B2

0.30

1

0.30

117.68

 < 0.0001

Yes

Residual

0.025

10

2.527E−003

   

Lack of Fit

0.025

5

5.054E−003

   

Pure Error

0.000

5

0.000

   

Cor Total

1.18

15

    

Water penetration depth

Model

311.23

5

62.25

1204.32

 < 0.0001

Yes

A-MK

40.38

1

40.38

781.18

 < 0.0001

Yes

B-CBA

29.85

1

29.85

577.44

 < 0.0001

Yes

AB

0.83

1

0.83

16.09

0.0025

Yes

A2

1.574E-003

1

1.574E−003

0.030

0.8649

No

B2

2.08

1

2.08

40.30

 < 0.0001

Yes

Residual

0.52

10

0.052

   

Lack of Fit

0.52

5

0.10

   

Pure Error

0.000

5

0.000

   

Cor Total

311.75

15

    

Sulfate attack test

Model

3.579E-003

5

7.159E−004

15.89

0.0002

Yes

A-MK

2.893E-003

1

2.893E−003

64.22

 < 0.0001

Yes

B-CBA

2.771E-003

1

2.771E−003

61.52

 < 0.0001

Yes

AB

2.289E-003

1

2.289E−003

50.81

 < 0.0001

Yes

A2

4.884E-004

1

4.884E−004

10.84

0.0081

Yes

B2

1.766E-003

1

1.766E−003

39.19

 < 0.0001

Yes

Residual

4.505E-004

10

4.505E−005

   

Lack of Fit

4.505E-004

5

9.009E−005

   

Pure Error

0.000

5

0.000

   

Cor Total

4.030E-003

15

    
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