Research Article
Identification and Assessment of Subway Construction Risk: An Integration of AHP and Experts Grading Method
Table 46
Risk Assessment results of Taishan road station.
| | Category | Construction risk | Total construction risk | | The foundation pit construction | Structure construction | Affiliated facilities |
| | The risk index | 6.9 | 6.5 | 6.18 | 6.72 | | Risk categories | Level 3 | Level 3 | Level 3 | Level 3 | | | Bored piles | High-pressure jet grouting pile | Steel pipe pile | Earthwork excavation | Blasting | Support system | Artificial dig-hole | Precipitation and drainage | The scaffold | The template | Reinforced concrete pouring | Waterproof | Backfill | Affiliated facilities | Accessory equipment | | | The risk index | 6.0 | 6.53 | 6.12 | 7.2 | 7.70 | 6.7 | 6.67 | 6.9 | 6.39 | 6.59 | 6.6 | 6.44 | 6 | 6.4 | 5.06 | | Risk categories | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | Level 3 | |
| | Category | Environmental risk | Total environmental risk | Geological and natural risks | Total geological and natural risks | Total station risk |
| | Building structures | Underground pipeline | Road | 12.75 | Bad geological | Natural risk | 5.02 | 10.38 | | The risk index | 14.6 | 10 | 8 | 5.27 | 3.80 | | Risk categories | Level 2 | Level 2 | Level 3 | Level 2 | Level 3 | Level 3 | Level 3 | Level 2 |
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