Research Article
Predictive Analysis of Settlement Risk in Tunnel Construction: A Bow-Tie-Bayesian Network Approach
Table 10
Analysis of event occurrence.
| Symbol | Event |
| OE1 | Excessive surface settlement | OE2 | Grouted cutter head and shield, excessive surface settlement, and minor property damage | OE3 | Minor surface collapse and property damage | OE4 | Moderate surface collapse, major property damage, and minor casualties | OE5 | Excessive surface settlement | OE6 | Grouted cutter head and shield, moderate surface collapse, and minor property damage | OE7 | Moderate surface collapse and major property damage | OE8 | Severe surface collapse, major property damage, and major casualties |
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