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Rock Mechanics.pdf - Mining and Blasting

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Figure 3.11 Typical roughness profiles<br />

<strong>and</strong> suggested nomenclature.<br />

Profile lengths are in the range 1 to<br />

10 m; vertical <strong>and</strong> horizontal scales<br />

are equal (after ISRM Commission,<br />

1978a).<br />

Figure 3.12 Suggested definition of<br />

the aperture of open discontinuities<br />

<strong>and</strong> the width of filled discontinuities<br />

(after ISRM Commission. 1978a).<br />

ROCK MASS STRUCTURE AND CHARACTERISATION<br />

56

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