Dynamic Risk Assessment of Karst Tunnel Collapse Based on Fuzzy-AHP: A Case Study of the LianHuaShan Tunnel, China

Table 5

Judgment matrix of layer B to layer A.

B11

B12

B13

B14

B21

B22

B31

B32

B41

B42

B43

B11

1

2

1

7

B21

1

7

B31

1

5

B41

1

1/3

4

B12

1/2

1

1/2

3

B22

1/7

1

B32

1/5

1

B42

3

1

9

B13

1

2

1

5

Feature vector: W = {0.88, 0.13}^T; Satisfying consistency

Feature vector: W = {0.83, 0.17}^T; Satisfying consistency

B43

1/4

1/9

1

B14

1/7

1/3

1/5

1

Feature vector: W = {0.25, 0.68, 0.07}^T; λmax = 3.01, CI = 0.005,; CR = 0.009 < 0.1,; Satisfying consistency

Feature vector: W = {0.39, 0.19, 0.36, 0.06}^T; λmax = 4.96, CI = 0.004,; CR = 0.004 < 0.1,; Satisfying consistency