Research Article
Experimental Study on Main Physical Parameters Controlling Shear Strength of Unsaturated Loess
Table 2
Properties and direct shear test results of the loess.
| Water content (%) | Density (g/cm3) | Dry density (g/cm3) | Void ratio | Internal friction angle (°) | Cohesion (kPa) |
| Intact loess | 0 | 1.29 | 1.29 | 1.11 | 35.95 | 30.60 | 5.8 | 1.35 | 1.27 | 1.14 | 29.31 | 25.20 | 10 | 1.4 | 1.27 | 1.14 | 26.24 | 21.92 | 15 | 1.472 | 1.28 | 1.125 | 24.81 | 18.70 | 20 | 1.557 | 1.28 | 1.125 | 22.60 | 16.90 | 25 | 1.642 | 1.28 | 1.125 | 19.42 | 13.80 | 35 | 1.728 | 1.28 | 1.125 | 18.83 | 13.00 |
| Remolded loess | 0 | 1.29 | 1.29 | — | 32.2 | 23.05 | 5.8 | 1.35 | 1.27 | — | 25.8 | 20.15 | 10 | 1.4 | 1.27 | — | 22.97 | 17.6 | 15 | 1.472 | 1.28 | — | 20.89 | 15.12 | 20 | 1.557 | 1.28 | — | 19.62 | 12.89 | 25 | 1.642 | 1.28 | — | 16.80 | 11.64 | 35 | 1.728 | 1.28 | — | 15.77 | 10.95 |
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