Table 3 The factor level of orthogonal testing.

From: Mechanical properties of alkali activated geopolymer cement mortar for non vibratory compacted trench backfilling

Level

Factor

Fly ash replacement quantity/%(A)

Alternative amount of metakaolin/%(B)

Alkali equivalent/%(C)

1

30

0

0

2

50

10

4

3

70

20

8

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