Research Article
Strength Characteristics and Slope Stability of Expansive Soil from Pingdingshan, China
Table 5
The parameters of stable shear strength when the control water content is 20%.
| | Water content variation range (%) | Angle of internal friction (°) | Cohesive force (kPa) |
| | 28.0∼16.1 | 22.5 | 49.6 | | 28.0∼16.9 | 23.7 | 55.1 | | 28.0∼18.7 | 36.5 | 72.8 | | 26.0∼13.6 | 25.5 | 19.9 | | 26.0∼15.8 | 26.0 | 53.376 | | 26.0∼17.6 | 24.0 | 54.2 | | 24.0∼11.8 | 25.3 | 45.4 | | 24.0∼15.1 | 26.5 | 58.0 | | 24.0∼16.6 | 22.5 | 57.0 |
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