If mining in Problem 12 is by conventional overhand stopping, and round length (measured on the dip)
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If mining in Problem 12 is by conventional overhand stopping, and round length (measured on the dip) is 15 ft (4.57 m), is failure likely to be stable or not as mining proceeds past the maximum extraction ratio previously calculated? Explain your answer.
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Given Problem 12 data Stope advance of 15 ft beyond Rmax Find If failure stable or not ...View the full answer
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