Research Article
Systematic Analysis Method for the Unusual Large Displacement in the Excavations in Soft Soil Area
Table 1
Physical parameters of the soil.
| | Soil layer number | Soil type | | | | | |
| | ①-1 | Miscellaneous fill | 17.5 | 4.8 | 18.5 | 22.6 | 0.5 | | ②-1b2-3 | Silty clay | 18.7 | 5.94 | 22.0 | 16.6 | 0.3 | | ②-1c3 | Clayey silt | 19.2 | 8.55 | 12.0 | 20.0 | 0.003 | | ②-2b3-4 | Silty clay | 17.5 | 3.85 | 11.0 | 12.1 | 0.035 | | ②-3c2-3 | Clay silt | 19.0 | 8.13 | 13.0 | 20.0 | 0.003 | | ②-3b2-3 | Silty clay | 19.4 | 6.27 | 21.0 | 21.0 | 0.4 | | ③-1b1-2 | Silty clay | 19.4 | 7.59 | 35.0 | 20.1 | 3 | | ③-2b2 | Silty clay | 19.0 | 6.84 | 32.0 | 19.6 | 0.4 | | ③-3b1-2 | Silty clay | 19.5 | 8.69 | 52.0 | 22.1 | 2 | | ③-3d2 | Silty sand with silt | 20.1 | 7.09 | 18.0 | 16.8 | 2 | | ③-4b1-2 | Silty clay | 19.3 | 7.76 | 32.0 | 17.8 | — | | ③-4e1-2 | Gravel-bearing silty clay | 19.5 | — | 28.0 | 30.0 | — | | K1g-2 | Strongly weathered sandstone and mudstone | 22.0 | — | 41.0 | 30.0 | — | | K1g-3n | Moderately weathered sandy mudstone | 25.0 | — | 260.0 | 35.0 | — | | K1g-3s | Moderately weathered argillaceous sandstone | 24.5 | — | 400.0 | 38.0 | — | | K1g-3s’ | Moderately weathered argillaceous sandstone (broken) | 24.5 | — | 200.0 | 35.0 | — | | K1g-3s-1 | Moderately weathered argillaceous sandstone with soft interlayer | 23.0 | — | 150.0 | 32.0 | — |
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= bulk density, = elasticity modulus, = cohesive force, = internal friction angle, and K = hydraulic conductivity. |
