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Keywords: pillar failure
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Proceedings Papers

Paper presented at the 11th ISRM Congress, July 9–13, 2007
Paper Number: ISRM-11CONGRESS-2007-015
... mining instability drill pipe selection Thickness Illinois Engineer instn Metall subsidence thickness rule structural geology pillar failure information instability strata US government strength roof rock shallow depth void migration 11th Congress of the International Society...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-173
... to aggravate the roof control problems. Eventually the idea was born that small sized yielding pillars, which have proved to be successful elsewhere, might provide the answer to this pressing problem as well. The aim of this paper is to study the modes of pillar failure at great depths, using two solution...
Proceedings Papers

Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-258
... strength Artificial Intelligence pillar strength dilution optimization stope span underground mining method Stability Graph span pillar layout Orebody pillar failure stability stope dimension safety Re-thinking in the optimization of stope dimensions Nouvelles considerations dans...

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