Research Article
Analysis of Foundation Pit Support Selection and Design Problems in Deep Soft Soil Area
Table 6
Mechanical parameter table for foundation pit support design.
| | Layer no. | Layer name | Direct shear and quick shear | Straight shear
Solid fast | Direct shear and quick shear | Straight shear
Solid fast | No side limiting strength
qu (kPa) | Three-axis UU | Three-axis CU | Triaxial | | φq (0) | ccq (kPa) | φq (°) | ccq (kPa) | ccq (kPa) | φcq (°) | ccu (kPa) | φcu (°) | c’ (kPa) | φ’ (°) |
| | ②1 | Clayey silt | 11.6 | 16.8 | 16.2 | 18.1 | — | — | — | — | — | — | — | | ②2 | Clayey silt | 7.6 | 26.9 | 10.2 | 31.8 | — | — | — | — | — | — | — | | ④2 | Mucky clay | 8.1 | 6.1 | 15.8 | 11.9 | 25.34 | 11.0 | 0.2 | 17.1 | 9.7 | 19.0 | 12.6 | | ⑥1 | Argillaceous powder Silty clay | 7.1 | 8.3 | 13.8 | 13.6 | 24.06 | 9.0 | 0.4 | 17.8 | 13.2 | 21.3 | 17.5 | | ⑧2 | Silty clay | 7.3 | 8.1 | 14.0 | 18.2 | — | 8.0 | 0.6 | 19.0 | 15.1 | 24.0 | 19.9 |
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