Research Article
Deflection Mechanism and Treatment Technology of Permanent Derrick of Freeze Sinking on Deep Alluvium
Table 4
Physical parameters of main soil layers.
| | Number of soil layers | Water content (%) | Unit weight (kN·m−3) | Porosity (%) | Liquid limit (%) | Plastic limit (%) |
| | 1 | 24.3 | 20.2 | 0.664 | 39.4 | 21.9 | | 2 | 34.6 | 19.3 | 0.866 | 42.0 | 22.9 | | 3 | 30.0 | 19.6 | 0.785 | — | — | | 4 | 26.8 | 20.1 | 0.684 | 36 | 20.4 | | 5 | 29.0 | 19.6 | 0.775 | — | — | | 6 | 23.0 | 20.5 | 0.608 | 38.4 | 23.3 | | 7 | 24.6 | 20.3 | 0.656 | — | — |
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