Research Article
Elastic Analysis of Nonhomogeneous Frozen Wall under Nonaxisymmetric Ground Stress Field and in State of Unloading
Table 1
Mechanical parameters of frozen wall and surrounding earth mass for the HF model.
| Freezing modes | Average temperature (°C) | Formation conditions | Mechanical parameters | Frozen wall | Surrounding earth mass |
| Single-circle pipes | −10.4 | (1) rock freezing | (MPa) | 18351 | 9000 | | 0.178 | 0.22 | (2) soil freezing | (MPa) | 955 | 160 | | 0.276 | 0.34 |
| Double-circle pipes | −16 | (1) rock freezing | (MPa) | 19830 | 9000 | | 0.171 | 0.22 | (2) soil freezing | (MPa) | 1081 | 160 | | 0.266 | 0.34 |
| Triple-circle pipes | −19.8 | (1) rock freezing | (MPa) | 20834 | 9000 | | 0.166 | 0.22 | (2) soil freezing | (MPa) | 1166 | 160 | | 0.259 | 0.34 |
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