Research Article
Identification and Assessment of Subway Construction Risk: An Integration of AHP and Experts Grading Method
Table 27
Risk judgment matrix of foundation pit construction.
| | | Judgment matrix of risk events in foundation pit construction | | | Risk index | Total risk index | | A | B | C | D | E | F | G | H |
| | A | 1 | 1/3 | 1/5 | 1/7 | 1/3 | 1/5 | 3 | 3 | 0.52 | 5.7% | 6.00 | 6.9 | | B | 3 | 1 | 1/3 | 1/7 | 3 | 5 | 1/4 | 1/3 | 0.81 | 8.8% | 6.53 | | C | 5 | 3 | 1 | 1/5 | 1/2 | 1/2 | 3 | 7 | 1.41 | 15.4% | 6.12 | | D | 7 | 7 | 5 | 1 | 1/3 | 1/2 | 7 | 7 | 2.59 | 28.2% | 7.20 | | E | 3 | 1/3 | 2 | 3 | 1 | 1/4 | 5 | 5 | 1.57 | 17.1% | 7.70 | | F | 5 | 1/5 | 2 | 2 | 4 | 1 | 1/5 | 1/5 | 0.95 | 10.3% | 6.70 | | G | 3 | 4 | 1/3 | 1/7 | 1/5 | 5 | 1 | 1/7 | 0.73 | 8.0% | 6.67 | | H | 1/3 | 1/3 | 1/7 | 1/7 | 1/5 | 5 | 7 | 1 | 0.60 | 6.5% | 6.90 |
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