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Keywords: narrow pillarClose
Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-173
... yielding pillars might prove to be more successful. metals & mining complex reservoir chain pillar coal seam gas pillar failure narrow pillar load bearing capacity coalbed methane height ratio coal bump numerical simulation instability pillar geometry pilier coal bed methane...
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