Research Article
Parametric Study of the Borehole Drilling in Jointed Rock Mass
Table 5
The maximum displacement around the borehole (mm).
| | Number of joints | Joint angle | | 0° | 15° | 30° | 45° | 60° | 75° |
| | 1 | 0.95 | 1.5 | 2.4 | 2.4 | 2 | 1.9 | | 2 | 1.1 | 1.9 | 3 | 3 | 2.8 | 2.7 | | 3 | 1.5 | 2.6 | 3.8 | 3 | 3.4 | 3 | | 4 | 1.8 | 2.6 | 3.8 | 3.8 | 3.8 | 3.4 | | 5 | 1.9 | 1.9 | 1.9 | 2.9 | 2.8 | 2.6 | | 6 | 1.4 | 1.7 | 2.4 | 2.8 | 2 | 1.8 | | 7 | 1.2 | 1.2 | 1.8 | 1.5 | 1.3 | 1.4 |
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