Table 10 RMR value for the KV57 is determined as follow
Rating | Value | Item |
|---|---|---|
1 | 800 kPa | Uniaxial Compressive Strength |
12 | 50 | RQD |
5 | ˂60 mm | Spacing of Discontinuities |
10 | Separation 1–5 mm Continuous joints | Conditions of Discontinuities |
14 | Completely dry | Ground water |
− 5 | Adjustment for Joint Orientation | |
37 Poor rock | Total RMR |