Table 4 Characteristic parameters for the range analysis.

From: Mechanism and CO2 emissions analysis of multi-solid-waste synergistic red mud-based composite cementitious materials under orthogonal tests

Level

A

B

C

A

B

C

A

B

C

A

B

C

7 d flexural strength

28 d flexural strength

7 d compressive strength

28 d compressive strength

K1

0.93

0.92

0.84

2.27

3.97

2.30

13.67

11.51

11.98

18.44

15.83

13.42

K2

1.10

0.95

1.07

2.07

2.98

1.75

15.53

14.42

14.52

19.87

18.96

18.83

K3

1.05

0.96

1.18

2.58

2.26

3.26

14.67

16.09

16.34

18.76

20.44

20.58

K4

1.01

1.24

0.99

4.47

2.19

4.10

14.57

16.41

15.59

17.60

19.44

21.83

R

0.17

0.32

0.34

2.40

1.78

2.34

1.85

4.90

4.37

2.27

4.61

8.42

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