Research Article
Joint Investigation and 3D Visual Evaluation of Rock Mass Quality
Table 3
Manual review of crack spacing.
| | Photo ID | | | | | | | | | | | | | | | | | | | | |
| | Weighted spacing of joints (cm) | 41.1 | 27.3 | 38.6 | 37.1 | 24.8 | 32.2 | 42.7 | 22.1 | 28.3 | 25.1 | 25.4 | 32.5 | 37.9 | 32.0 | 29.1 | 20.0 | 26.0 | 18.3 | 11.9 | 23.0 |
| | Joint spacing checked manually (cm) | 38.7 | 26.4 | 33.9 | 38.6 | 29.1 | 35.6 | 39.1 | 18.9 | 25.3 | 28.4 | 29.5 | 31.7 | 39.8 | 28.2 | 28.9 | 17.6 | 27.7 | 20.3 | 13.6 | 25.4 |
| | Error rate (%) | 6.22 | 3.52 | 14.00 | 3.80 | 14.71 | 9.45 | 9.15 | 12.42 | 11.83 | 11.59 | 13.90 | 2.37 | 4.80 | 13.52 | 0.58 | 13.46 | 6.09 | 9.91 | 12.45 | 9.63 |
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