Research Article
An Improved Method for Estimating the Strength of Jointed Rock Mass Using Drilling Technology
Table 4
Summary of rock properties at the site.
| Segment no. | Rock | (GPa) | (MPa) | (N/mm2) | RQD | RMR | Q | GSI |
| 1 | Limestone | 13.8 | 74.6 | 271.3 | 93.50 | 81.90 | 8.39 | 63.14 | 2 | 13.8 | 74.6 | 271.3 | 65.40 | 74.50 | 5.12 | 58.70 | 3 | 13.8 | 74.6 | 271.3 | 70.50 | 76.24 | 5.75 | 59.74 | 4 | 13.8 | 74.6 | 271.3 | 78.20 | 79.65 | 7.22 | 61.79 | 5 | 13.8 | 74.6 | 271.3 | 75.30 | 77.94 | 6.44 | 60.76 | 6 | 13.8 | 74.6 | 271.3 | 45.20 | 65.71 | 2.85 | 53.43 | 7 | 13.8 | 74.6 | 271.3 | 91.50 | 81.62 | 8.23 | 62.97 | 8 | 13.8 | 74.6 | 271.3 | 88.60 | 77.56 | 6.28 | 60.54 | 9 | 13.8 | 74.6 | 271.3 | 93.50 | 82.22 | 8.57 | 63.33 | 10 | Tuff | 4.9 | 31 | 105.3 | 90.70 | 77.73 | 6.35 | 60.64 | 11 | 4.9 | 31 | 105.3 | 91.10 | 79.57 | 7.18 | 61.74 | 12 | Marble | 23.4 | 87 | 295.1 | 60.20 | 74.53 | 5.13 | 58.72 | 13 | 23.4 | 87 | 295.1 | 50.60 | 73.90 | 4.92 | 58.34 | 14 | 23.4 | 87 | 295.1 | 63.80 | 75.95 | 5.64 | 59.57 |
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