Table 3 Rock mass properties of the excavated rock masses.
From: Re-evaluation of excavation class limits for underground excavations based on new data
Code | RMR89 | Q | GSI |
|---|---|---|---|
1 | 56.00 | 1.03 | 56.50 |
2 | 39.00 | 0.16 | 28.00 |
3 | 59.80 | 1.50 | 69.00 |
4 | 62.70 | 6.90 | 70.50 |
5 | 65.50 | 7.08 | 71.00 |
6 | 62.50 | 8.44 | 75.00 |
7 | 44.50 | 1.83 | 40.50 |
8 | 43.50 | 3.04 | 53.00 |
9 | 48.50 | 1.92 | 44.00 |
10 | 37.80 | 1.00 | 40.00 |
11 | 63.50 | 7.67 | 76.00 |
12 | 54.30 | 4.08 | 51.50 |
13 | 59.10 | 7.25 | 70.50 |
14 | 55.75 | 7.70 | 65.50 |
15 | 61.50 | 13.30 | 71.50 |
16 | 54.50 | 4.00 | 67.50 |
