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Table 4 The orthogonal experimental design variables.

From: Investigating Various Factors Affecting the Long-Term Compressive Strength of Heat-Cured Fly Ash Geopolymer Concrete and the Use of Orthogonal Experimental Design Method

Mix no.

Mix designation

A (L/FA)

B (SHC) (mol)

C (SS/SH)

1

A1B1C1

0.40

8

2.0

2

A1B2C2

0.40

10

2.5

3

A1B3C3

0.40

12

3.1

4

A1B4C4

0.40

14

4.0

5

A2B1C2

0.44

8

2.5

6

A2B2C1

0.44

10

2.0

7

A2B3C4

0.44

12

4.0

8

A2B4C3

0.44

14

3.1

9

A3B1C3

0.48

8

3.1

10

A3B2C4

0.48

10

4.0

11

A3B3C1

0.48

12

2.0

12

A3B4C2

0.48

14

2.5

13

A4B1C4

0.52

8

4.0

14

A4B2C3

0.52

10

3.1

15

A4B3C2

0.52

12

2.5

16

A4B4C1

0.52

14

2.0