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Advances in Civil Engineering
/
2021
/
Article
/
Tab 3
/
Research Article
Water Inrush Risk Assessment Based on AHP and Advance Forecast Approach: A Case Study in the Micangshan Tunnel
Table 3
Primary index judgment matrix in
U
.
U
1
U
2
U
3
U
4
U
5
U
1
1
7
3
9
5
U
2
1/7
1
1/5
3
1/3
U
3
1/3
5
1
7
5
U
4
1/9
1/3
1/7
1
1/5
U
5
1/5
3
1/5
5
1
