Research Article
AHP-FSE-Based Risk Assessment and Mitigation for Slurry Balancing Shield Tunnel Construction
Table 8
Single-factor evaluation results.
| Factors | Risk level | Large | Relatively large | Normal | Relatively small | Small |
| Working experience | 0 | 0.4 | 0.15 | 0.2 | 0.25 | Safety skills | 0 | 0 | 0 | 0.3 | 0.7 | Emergency capacity | 0 | 0.1 | 0.25 | 0.15 | 0.5 | Safety consciousness | 0.3 | 0.3 | 0.1 | 0.15 | 0.15 | Working strength | 0 | 0 | 0.4 | 0.3 | 0.3 | Physical health | 0 | 0 | 0.1 | 0.25 | 0.65 | Sense of discipline | 0 | 0 | 0.15 | 0.35 | 0.5 | Working pressure | 0.3 | 0.2 | 0.15 | 0.1 | 0.25 | Mechanical failure condition | 0 | 0 | 0.15 | 0.3 | 0.55 | Mechanical aging condition | 0 | 0.05 | 0.1 | 0.45 | 0.4 | Mechanical wear condition | 0 | 0 | 0.2 | 0.5 | 0.3 | Qualification rate of installation | 0 | 0 | 0 | 0.35 | 0.65 | Qualification rate of maintenance | 0 | 0 | 0 | 0.25 | 0.75 | Physical property | 0 | 0 | 0 | 0.35 | 0.65 | Dimensional discrepancy | 0.05 | 0.1 | 0.4 | 0.25 | 0.2 | Storage conditions | 0 | 0.05 | 0.2 | 0.25 | 0.5 | Stacking condition | 0.1 | 0.15 | 0.5 | 0.1 | 0.15 | Integrity degree | 0 | 0 | 0.25 | 0.3 | 0.45 | Executive capacity | 0.05 | 0.1 | 0.2 | 0.2 | 0.45 | Implementation effect | 0 | 0.05 | 0.05 | 0.3 | 0.6 | Working method | 0 | 0 | 0.1 | 0.35 | 0.55 | Drawings change | 0 | 0 | 0 | 0.25 | 0.75 | Geological conditions | 0.25 | 0.3 | 0.1 | 0.2 | 0.15 | Geological disaster situation | 0 | 0 | 0 | 0.05 | 0.95 | Surrounding traffic conditions | 0 | 0 | 0.05 | 0.15 | 0.8 | Settlement level of surrounding buildings | 0 | 0 | 0 | 0.05 | 0.95 | Underground pipeline relocation | 0 | 0.05 | 0.1 | 0.4 | 0.45 | Safety facilities | 0.25 | 0.25 | 0.15 | 0.2 | 0.15 | Water pollution | 0 | 0.05 | 0.15 | 0.45 | 0.35 |
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