Research Article
Upper Bound Solution of Surrounding Rock Pressure for Deep Cavity Using Nonlinear Hoek–Brown Failure Criterion
Table 7
Upper bound solution of the surrounding rock pressure
q at different
and
D.
| | q (kPa) | | D = 0 | D = 0.2 | D = 0.4 | D = 0.6 | D = 0.8 | D = 1.0 |
| | 200 | 262.5 | 400.6 | 647.8 | 1148.6 | 2366.8 | 6292.6 | | 400 | 102.5 | 177.2 | 314.9 | 595.8 | 1278.2 | 3473.7 | | 600 | 49.9 | 98.1 | 193.5 | 393.1 | 879.8 | 2443.0 | | 800 | 30.0 | 59.2 | 130.4 | 285.7 | 668.5 | 1897.5 | | 1000 | 18.0 | 39.6 | 92.2 | 218.8 | 536.2 | 1556.1 | | 1200 | 12.0 | 25.5 | 67.1 | 173.0 | 445.0 | 1320.9 |
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