Hole Number

Grouting Layer (m)

Point Pressure (Mpa)

Inpouring Flowrate (m3/h)

Comparison of Injection Point Pressure and Hydrostatic Pressure

Wind examination 3

540.46 - 574.90

11.82 - 13.92

7.5

2.1 - 2.4 times

430.33 - 462.43

8.73 - 13.40

8.75

1.9 - 2.9 times

332.27 - 364.27

7.18 - 9.99

9.58

2.0 - 2.7 times

247.34 - 282.00

4.89 - 6.69

9.42

1.7 - 2.4 times

175.05 - 196.11

4.24 - 4.80

9.69

2.2 - 2.4 times

average

2.0 - 2.5 times