Mining Process Design

2009-8-26the design of stable stope spans for shallow mining operations b joint orientation adjustment factor and c gravity adjustment factor to determine the modified stability number, n, which is used in the modified stability graph method6, 1315 for dimensioning of open stopes in mining total of 176 case histories by potvin13 and 13 by nickson16 of unsupported open stopes are plotted on the.

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