Table 3 Aggregate design scheme.

From: Experimental research on mechanical performance of grouting plugging material with large amount of fly ash

Groups

Fly ash/g

Ordinary Portland cement/g

Loess/g

Water/g

Ratio

1

69.0

17.4

3.6

90.0

19:5:1

2

66.1

16.6

7.3

90.0

9:2:1

3

63.1

15.7

11.2

90.0

6:1.4:1

4

60.0

15.0

15.0

90.0

4:1:1

5

65.0

21.6

3.4

90.0

19:6:1

6

62.3

20.8

6.9

90.0

9:3:1

7

59.6

19.9

10.5

90.0

6:2:1

8

56.8

19.0

14.2

90.0

4:1.3:1

9

61.0

25.7

3.2

90.0

19:8:1

10

58.4

25.1

6.5

90.0

9:4:1

11

56.1

24.0

9.9

90.0

6:2:1

12

53.6

23.0

13.4

90.0

4:2:1

13

57.0

30.0

3.0

90.0

19:10:1

14

54.5

29.4

6.1

90.0

9:5:1

15

52.5

28.3

9.2

90.0

6:3:1

16

50.3

27.1

12.5

90.0

4:2:1