Research Article
A Constitutive Model of Sandy Gravel Soil under Large-Sized Loading/Unloading Triaxial Tests
Table 5
Failure stress under unloading conditions.
| ε1 | ε1 − ε3 | ε1 − 2ε3 | (ε1 − 2ε3)/2(ε1 − ε3) | 70% | 90% | 70% | 90% | 70% | 90% |
| 0.2 | 0.29 | 0.37 | 1.9 | 3.8 | 3.3 | 5.2 | 0.4 | 0.55 | 0.7 | 2.48 | 5.2 | 2.2 | 3.7 | 0.6 | 0.75 | 0.97 | 3.4 | 6.2 | 2.0 | 3.14 |
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