Research Article
Effects of Water Inrush from Tunnel Excavation Face on the Deformation and Mechanical Performance of Shield Tunnel Segment Joints
Table 1
Basic parameters of soil mass.
| | Name of soil layers | Compressive modulus (kPa) | Elastic modulus (kPa) | Poisson ratio | Cohesion (kPa) | Internal friction angle (°) | Void ratio | Saturation density (t/m3) | Permeability coefficient (m/s) |
| | Miscellaneous fill 1-1 | 1500 | 879 | 0.36 | 8 | 18 | 0.63 | 1.85 | 1.5∗10−9 | | Silty clay 10-2 | 24,300 | 19,215 | 0.28 | 65 | 29 | 0.67 | 1.97 | 1.5∗10−9 | | Strongly weathered mudstone 19-1 | 46,000 | 34,171 | 0.3 | 50 | 19 | 0.60 | 2.25 | 1∗10−9 | | Moderately weathered mudstone 19c-2 | 45,000 | 33,362 | 0.3 | 45 | 18 | 0.69 | 2.25 | 1∗10−9 | | Hard mudstone 19c-1 | 500,000 | 371,429 | 0.3 | 50 | 19 | 0.60 | 2.25 | 1∗10−9 |
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