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Keywords: roof pillar
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-180
.... A HBM mining operation will be efficient if sub- sidence of the safeguard roof pillar bridging over the excavations does not surpass the limiting size for which the induced stresses exceed the rock mass strength of the roof pillar. Thanks to this method, the final product is of high quality...
