Research Article
A New Unified Solution for Circular Opening considering Different Strength Criteria and the Postpeak Elastic Strain Form
Table 4
The radius of plastic zone and critical inner pressures under different criteria.
| Strength criterion | | Strength criterion | |
| MC | 1.528 (0.413) | VM | 2.728 (0.667) | GMC | 1.318 (0.322) | IDP | 1.556 (0.422) | GLD | 1.294 (0.308) | MDP | 1.456 (0.386) | GSMP | 1.332 (0.329) | CDP | 1.198 (0.242) | TR | 3.442 (0.712) | UST0.5 | 1.347 (0.337) | GTSS | 1.266 (0.291) | ā | ā |
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