With reference to Problem 15, if pillars are square and rooms (entries and crosscuts) are 30 ft

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With reference to Problem 15, if pillars are square and rooms (entries and crosscuts) are 30 ft wide, what size of pillars are indicated when the pillar safety factor is 2?

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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 15, if pillars are square and rooms (entries and crosscuts) are 30 ft

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Given Problem 15 information and square pillars with n...View the full answer

Design Analysis in Rock Mechanics

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