Table 9 Grouting parameter value (Consistency index).

From: Research on slurry diffusion and seepage law in mining overburden fractures based on CFD numerical method

Number of groups

6

7

8

9

10

Grouting speed v

4.2

4.2

4.2

4.2

4.2

Roughness R

0

0

0

0

0

Crack opening h

5

5

5

5

5

Rheological index n

0.79

0.89

0.99

1.09

1.19

Consistency index k

1.51

2.51

3.51

4.51

5.51

Grouting time t

23

23.2

23.1

22.8

23.2