Parameter | Description | Value |
RQD | 43 - 48 | 43 - 48 |
Jn | Three joint sets with random | 12 |
Jr | Smooth or rough to Craw or Planar | 1 |
Ja | Softening or low friction clay mineral coatings | 4 |
Jw | Inflow | 0.66 |
SRF | Medium stress, favorable stress condition | 1 |
Q | 0.592 - 0.66 | |
Class No. | Very poor rock |