Research Article
A Comparative Study of Protective Schemes for Shield Tunneling Adjacent to Pile Groups
Table 1
Shear strength parameters of triaxial tests.
| | Soil sample number | Stratum (Figure 3) | Depth (m) | Cohesion (kPa) | Friction angle (°) |
| | 1 | Fill | 1.8 | 5 | 10.1 | | 2 | Silty clay (CL-1) | 5.6 | 14.4 | 15.9 | | 3 | Silt (ML) | 13.2 | 9.6 | 28.3 | | 4 | Silty clay (CL-2) | 21.2 | 15.9 | 20.9 | | 5 | Silty clay (CL-3) | 28.9 | 18.7 | 14.5 | | 6 | Silty clay (CL-4) | 34.5 | 23.6 | 19.4 | | 7 | Silty clay (CL-5) | 42.6 | 24.4 | 20.1 |
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