Table 4 RMR value for the KV5 is determined as follow
Item | Value | Rating |
|---|---|---|
Uniaxial Compressive Strength | 900Â KPa | 1 |
RQD | 50 | 13 |
Spacing of Discontinuities | <60Â mm | 5 |
Conditions of Discontinuities | Separation 1–5 mm. Continuous joints | 10 |
Ground water | Completely dry | 15 |
Adjustment for Joint Orientation |  | −5 |
Total RMR | Â | 39 Poor rock |