Research Article
A Structural Calculation Model of Shield Tunnel Segment: Heterogeneous Equivalent Beam Model
Table 4
Calculation parameters of surrounding rock.
| | Layer name | (kN·m−3) | (°) | (kPa) |
| | Filled soil | 17.3 | 28 | 12 | | Mucky soil, fine sand layer | 18.5 | 18 | 6 | | Diluvium and alluvium layer | 19.5 | 20 | 1 | | Intense weathering mud rock | 21.6 | 24 | 200 |
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