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Q-System Presentation - Bushveld Conference - Nov - Geohart ...

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CASE STUDIES<br />

Rock Mass Quality, Q, vs Equivalent Dimension - Plot<br />

100<br />

Equivalent<br />

Dim ension<br />

10<br />

1<br />

0.1 1 10 100 1000<br />

Rock Mass Quality Q<br />

Unsupported -<br />

Barton<br />

Unsupported -<br />

Hartman<br />

23 Level<br />

Conveyor<br />

10 Level<br />

Crosscut

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