Research Article
Identification and Assessment of Subway Construction Risk: An Integration of AHP and Experts Grading Method
Table 22
Earthwork excavation risk judgment matrix.
| | | Earthwork excavation risk judgment matrix | | | The risk index | Total risk index | | RED1 | RED2 | RED3 | RED4 | RED5 | RED6 | RED7 | RED8 | RED9 |
| | RED1 | 1 | 1/5 | 1/7 | 1/8 | 1/9 | 1/4 | 1/3 | 1/8 | 1/9 | 0.1976 | 1.29% | 4 | 7.2 | | RED2 | 9 | 1 | 5 | 7 | 1/3 | 5 | 7 | 3 | 3 | 3.178093 | 20.69% | 4 | | RED3 | 8 | 1/5 | 1 | 7 | 1/7 | 4 | 7 | 1/3 | 1/4 | 1.157621 | 7.54% | 6 | | RED4 | 5 | 1/7 | 1/7 | 1 | 1/8 | 1/3 | 3 | 1/5 | 1/7 | 0.414913 | 2.70% | 12 | | RED5 | 9 | 3 | 7 | 8 | 1 | 8 | 9 | 7 | 7 | 5.590535 | 36.39% | 8 | | RED6 | 7 | 1/5 | 1/4 | 3 | 1/8 | 1 | 5 | 1/5 | 1/7 | 0.642852 | 4.18% | 8 | | RED7 | 3 | 1/7 | 1/7 | 1/3 | 1/9 | 1/5 | 1 | 1/8 | 1/9 | 0.264326 | 1.72% | 8 | | RED8 | 8 | 1/3 | 3 | 5 | 1/7 | 5 | 8 | 1 | 1 | 1.828578 | 11.90% | 8 | | RED9 | 9 | 1/3 | 4 | 7 | 1/7 | 7 | 9 | 1 | 1 | 2.088506 | 13.59% | 9 |
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