Table 4 Calculation parameters, calculation and simulation test results of proposed method.
From: Shear strength deterioration effect of rock mass joint surface under cyclic shear load
Joint surface type | Normal stress (MPa) | Basic friction angle \({\varphi }_{n}\) (°) | Dilatancy angle \({\alpha }_{n}\) (°) | Simulation test results (MPa) | Calculation results of the proposed method (MPa) | Errors between the two methods (%) |
|---|---|---|---|---|---|---|
Undulation Scenario 1 | 0.5 | 21.72 | 5.03 | 0.40 | 0.33 | 17.5 |
1.0 | 26.32 | 4.72 | 0.62 | 0.61 | 1.61 | |
2.0 | 26.41 | 3.50 | 1.15 | 1.13 | 1.74 | |
3.0 | 25.33 | 2.90 | 1.56 | 1.54 | 1.28 | |
Undulation Scenario 2 | 0.5 | 24.66 | 8.23 | 0.40 | 0.35 | 12.5 |
1.0 | 25.72 | 8.08 | 0.63 | 0.63 | 0.00 | |
2.0 | 25.16 | 4.71 | 1.06 | 1.04 | 1.89 | |
3.0 | 23.31 | 3.88 | 1.42 | 1.39 | 2.11 |
