Research Article
Development Characteristics and Sensitivity Analysis of Expansive Soil Slope
Table 1
Parameters of soil in the saturated state.
| | Name | Natural water content (%) | Natural density (g/cm3) | Dry density (g/cm3) | Saturated volumetric water content (%) | Weight (kN/m3) | Void ratio | Liquid limit (%) | Plastic limit (%) | Friction (°) | Cohesion (kPa) |
| | Artificial filling (loose and broken) | 22.3 | 1.86 | 1.52 | 47.5 | 2.70 | 0.7 | 42 | 25.8 | 4.5 | 12 | | Artificial filling (dense) | 27.4 | 1.87 | 1.47 | 45.9 | 2.72 | 0.85 | 63.1 | 33.2 | | Silty clay | 28.5 | 1.89 | 1.48 | 45.7 | 2.72 | 0.84 | 54 | 27 | 5 | 15 | | Completely weathered sandstone | 26.3 | 1.95 | 1.54 | 42.5 | 2.68 | 0.74 | 35.7 | 23.1 | 4 | 12.5 | | Completely weathered mudstone | 23.1 | 1.96 | 1.50 | 46.5 | 2.79 | 0.87 | 51.5 | 26.3 | | Strongly weathered clay rock | 29.5 | 1.96 | 1.52 | 45.7 | 2.79 | 0.84 | 56 | 27.4 | 8 | 20 |
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