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Keywords: effective water pressure
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Proceedings Papers

Paper presented at the ISRM International Symposium - 6th Asian Rock Mechanics Symposium, October 23–27, 2010
Paper Number: ISRM-ARMS6-2010-141
... results show that the critical water pressure and the effective water pressure for coal breakage for Huainan mining area are in the ranges of (10~15) and (12~20)f, respectively, where f is the strength coefficient. For the majority of drill holes, coal flushed out is between 0.5 and 1.0t/m with a maximum...

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