Research Article
Safety Risk Evaluation of Large and Complex Bridges during Construction Based on the Delphi-Improved FAHP-Factor Analysis Method
Table 3
Construction risk factor decomposition.
| | 
 |  | Risk factor | Subproject |  | 
 |  | Human risk b1 | Personnel operation error b11, human design error b12, inexperience of personnel b13 |  | Machine risk b2 | Device not running b21, equipment mismatch b22 |  | Material risk b3 | Insufficient material strength b31, defective materials b32, materials expired b33 |  | Environmental risk b4 | Tsunami disaster b41, typhoon b42, heavy rain b43, earthquake disaster b44 |  | 
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