[Retracted] Classification Method of Rock Structure and Rock Mass Quality of Surface Granite: Geological Disposal of High-Level Radioactive Waste in China
Table 1
The component parameters of different rock mass quality classification methods.
Method
Rock structure
Groundwater
Levels
Applications
Joint properties
Rock strength
Rock integrity
No.
Interval
Status
RQD
Integrity
RQD
Five
Rock cores
RSR
✓
✓
✓
✓
Five
Tunnel support
RMR
✓
✓
✓
✓
✓
Five
Tunnel mining
✓
✓
✓
✓
✓
✓
IX
Tunnel chamber
✓
✓
Five
Underground engineering
Za
✓
Five
Underground engineering
China engineering Rock classification National standard