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Research of change of convergence value of rocks in longwall depending on position of mining face along the length of extraction pillar

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Category: Development of fields
Last Updated on Friday, 21 December 2012 15:48
Published on Friday, 21 December 2012 15:48
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Authors: Vlasov S.V., Sidielnykov O.A.
 
The results of the convergence researching in the longwall, that were obtained applying three-dimensional computer model of the stratified transversely isotropic rock mass, are presented in the article. The wallrocks convergence curve along a longwall depending on stope attitude along an extraction pillar allows to assess a reserve of hydrocylinder deformation capacity and to predict incidents in the longwalls caused by fitting of powered support onto rigid base. Parameters and results of the three-dimensional simulation of the rock mass are valid for Western Donbas conditions.
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2010_3 Vlasov
Date 2012-12-14 Filesize 207.95 KB Download 1671

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ISSN (print) 2071-2227,
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