Research Article
Numerical Analysis of Pipelines Settlement Induced by Tunneling
Table 2
Physical-mechanical parameters of soil.
| Level number | The depth of the bottom (m) | Slice thickness (m) | Elevation of the bottom (m) | The type of soil | Es (MPa) | c (kPa) | φ (°) | Poisson’s ratio v |
| ①2 | 0.7 | 0.7 | −2.24 | Silt | 6.64 | 61 | 11.4 | | ③1 | 1.5 | 0.8 | −3.04 | Clay | 6.26 | 48 | 10.9 | 0.32 | ③2 | 6 | 4.5 | −7.54 | Silty clay | 5.66 | 24 | 11.4 | 0.3 | ④3 | 11 | 5 | −12.5 | Silty clay | 5.78 | 28 | 11.3 | 0.31 | ⑤ | 19 | 8 | −20.5 | The silty clay layer contains a small amount of silt | 5.58 | 62 | 10.2 | 0.32 | ⑥1 | 21.5 | 2.5 | −23 | Clay | 7.16 | 43 | 18.8 | 0.31 | ⑥2 | 27.8 | 6.3 | −29.3 | Silty clay | 8.08 | 24 | 23.1 | 0.31 | ⑥3 | 30 | 2.2 | −31.5 | | | | | |
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