Research Article
Stability Analysis and Parameter Optimization of Deep Excavation Supporting System in Granular Soils
Table 1
Parameters of the supporting system.
| Inner support | Depth (m) | Diameter (mm) | Pipe thickness (mm) |
| First layer | 7 | 609 | 12 | Second layer | 13.5 | 609 | 16 | Third layer | 18 | 800 | 16 | Fourth layer | 22.4 | 800 | 12 | Inverse strut | Corner | 609 | 12 |
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