With reference to Problem 6.32 data, roof rock above the upper A Level is Bonneterre dolomite that

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With reference to Problem 6.32 data, roof rock above the upper A Level is Bonneterre dolomite that is overlain by Davis shale.

(a) Determine the maximum opening width that is physically possible in the upper A Level ore horizon.

(b) With reference to Problem 6.32, assume square pillars, then determine minimum pillar width with respect to ore strength, given the results of part a.

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Design Analysis in Rock Mechanics

ISBN: 978-0415893398

1st edition

Authors: William G. Pariseau

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Question Posted: Mar 17, 2011 04:14 AM

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With reference to Problem 6.32 data, roof rock above the upper A Level is Bonneterre dolomite that

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Given ALevel roof rock in Bonneterre dolomite and D...View the full answer

Design Analysis in Rock Mechanics

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