Research Article
Experimental Study on Swelling Behavior and Its Anisotropic Evaluation of Unsaturated Expansive Soil
Table 4
Results of laboratory shear strength tests.
| | Initial dry unit weight (kN/m3) | Initial water content (%) | Internal friction angle φ (°) | Cohesive force c (kPa) | Passive Earth pressure coefficient Kp |
| | 14.0 | | 12.1 | 0.1 | 1.53 | | 14.5 | | 13.6 | 0.6 | 1.62 | | 15.0 | 17.9 | 15.1 | 1.4 | 1.70 | | 15.5 | | 16.2 | 2.8 | 1.77 | | 16.0 | | 18.1 | 3.4 | 1.90 |
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