Research Article
A New Unified Solution for Circular Opening considering Different Strength Criteria and the Postpeak Elastic Strain Form
Table 5
The surface displacement value
of the circular tunnel.
| | | Parameter (β) | MC | GSMP | UST0.5 | MDP |
| | Case 1 | 1.0 | 1.713 | 1.488 | 1.503 | 1.626 | | 2.0 | 1.990 | 1.601 | 1.626 | 1.834 | | 3.0 | 2.366 | 1.740 | 1.778 | 2.107 |
| | Case 2 | 1.0 | 1.945 | 1.607 | 1.630 | 1.815 | | 2.0 | 2.5867 | 1.879 | 1.924 | 2.302 | | 3.0 | 3.567 | 2.241 | 2.320 | 3.011 |
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