Table 5 Measured vs. calculated effective modulus Ey and permeability ky after grouting.

From: A width centric image to mechanics framework for assessing advance grouting with TMSE adaptive width segmentation and lab scale validation

Mixture

ratio

1:0.25

1:1

1:4

Measured

Calculated

Measured

Calculated

Measured

Calculated

Ey (Mpa)

38.26

34.88

93.47

101.39

139.24

128.85

 

Error

− 8.83%

 

 + 8.47%

 

− 7.46%

Ey (Mpa)

46.11

48.25

87.64

82.37

132.33

141.52

 

Error

 + 4.64%

 

− 6.01%

 

 + 6.94%

ky × 10-7 m/s

5.35

5.53

3.49

3.13

1.29

1.34

 

Error

 + 3.36%

 

− 10.42%

 

 + 4.16%

ky × 10-7 m/s

3.73

3.48

4.78

5.01

1.43

1.37

 

Error

− 6.83%

 

 + 4.75%

 

− 3.66%

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