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Rock Characterisation

The rock characterization table opens with the right button of the mouse on any drillings under the Drillings in data catalog. 

The following values are added in order to calcualte the "RMR (Rock Mass Rating)" of the rock: 

The uniaxial compressive strength (σc) of the rock sample, 

Rock quality value (RQD), 

Core Efficiency, 

Discontinuity interval, 


Underground water conditions, 

Correction Factors, 

RMR ValueRock Quality
0 - 20Very weak
21 - 40Weak
41 - 60Average
61 - 80Good
81 - 100Very Good




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