Research Article
Study on the Design Method for the Deformation State Control of Pile-Anchor Structures in Deep Foundation Pits
Table 6
Physical and mechanical parameters of the model soil.
| | Name of the soil layer | Nonclayey soil (inside the foundation pit) | Nonclayey soil (outside the foundation pit) | Substratum foundation |
| | Layer thickness (m) | 10 | 10 | 30 | | Unit weight γ (kN/m3) | 24 | 24 | 24 | | Constitutive model | M-C | M-C | M-C | | Cohesion c (kPa) | 1 | 1 | — | | Internal friction angle φ (°) | 15∼45 | 40 | — | | Elastic modulus E (MPa) | 30 | 30 | 100 | | Poisson‘s ratio υur | 0.3 | 0.3 | — | | Interfacial strength reduction factor Rinter | 0.9 | 0.9 | — |
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