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Comparison between the shear stress calculation results.
| Normal stress (MPa) |
Test peak strength (MPa) | Initial basic friction angle (°) | Initial undulant angle (°) | Proposed model (MPa) | Parton model (MPa) |
Shen model (MPa) |
Error between test results and proposed model (%) |
Error between test results and Parton model (%) |
|---|---|---|---|---|---|---|---|---|
| 1.27 | 5.28 | 46.4 | 30 | 5.42 | 5.25 | 2.81 | 2.65 | 0.57 |
| 1.91 | 7.74 | 46.4 | 30 | 7.87 | 7.89 | 3.65 | 1.67 | 1.90 |
| 2.55 | 9.95 | 46.4 | 30 | 9.79 | 10.54 | 4.49 | 1.60 | 5.60 |
