Research Article
Experimental Study on the Anisotropy of Layered Rock Mass under Triaxial Conditions
Table 4
The calculated coefficients of the Hoek–Brown empirical criterion.
| | | | 0° | 15° | 30° | 45° | 60° | 75° | 90° |
| | AA | | 7.35 | 6.59 | 8.23 | 20.79 | 48.91 | 17.58 | 8.74 | | 30.13 | 28.12 | 25.21 | 12.98 | 3.49 | 15.47 | 27.49 | | 0.96 | 0.96 | 0.96 | 0.97 | 0.99 | 0.98 | 0.97 |
| | AB | | 5.25 | 5.58 | 5.22 | 12.6 | 31.92 | 9.29 | 6.29 | | 18.01 | 16.50 | 15.48 | 8.49 | 2.92 | 14.04 | 24.20 | | 0.99 | 0.99 | 0.99 | 0.98 | 0.99 | 0.99 | 0.99 |
| | AC | | 4.0 | 3.1 | 2.79 | 4.95 | 21.41 | 7.56 | 6.14 | | 7.77 | 7.04 | 6.37 | 4.60 | 1.56 | 12.74 | 20.99 | | 0.99 | 0.98 | 0.98 | 0.98 | 0.97 | 0.99 | 0.98 |
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