Research Article
Settlement Characteristics of Urban Underground Comprehensive Pipe Gallery under Different Backfill Conditions
Table 2
Model calculation parameters.
| | Project name | Thickness (m) | Density (kg/m3) | Elastic modulus (MPa) | Poisson’s ratio μ | Cohesive strength c (kPa) | Internal friction angle (°) |
| | Miscellaneous fill | 0.4 | 1850 | 4.5 | 0.33 | 8.0 | 10.0 | | Plain fill | 4.0 | 1850 | 4.5 | 0.35 | 8.0 | 12.0 | | Silty clay | 5.1 | 1910 | 12.8 | 0.30 | 31.3 | 18.1 | | Silty sand | 13.0 | 1950 | 33.0 | 0.33 | 2.0 | 32.0 | | C30 concrete | | 2360 | 3 × 104 | 0.15 | | |
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