Research Article
Model Test and Back Analysis of Shield Tunnel Load Distribution in Soft Clay
Table 1
Similarity parameters of model test.
| Physical indexes | Dimension | Similarity relationship | Similarity ratio |
| Geometry | L | CL | 30 | Load | FL−2 | CP = CL | 30 | Stress | FL−2 | Cσ = CF | 30 | Elastic modulus | FL−2 | CE = CP | 30 | Displacement | L | Cδ | 30 | Poisson ratio | 1 | Cμ | 1 | Water content | 1 | | 1 | Volume-weight | FL−3 | Cγ | 1 | Strain | 1 | Cε | 1 |
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