Choosing of support during resupporting of mine workings in conditions of soft laminated rocks

Yu.M. Khalymendyk

Abstract


The mechanism of the system "support-rock massif" deforming in mine workings at deep mines is developed. Conditions of rock extruding wedges formation in roof and floor are revealed. It is mentioned that ripping of rock leads to the intensification of the contour deformation process. On the basis of rock stability in the border zone of mine working , it is shown that the management of the rock massif destruction is achieved by changing the load on the rock destruction front by means of changing their coherence. Developed objective laws are used during substantiation of support parameters when resupporting mine workings in conditions of soft laminated rocks.

Keywords


mine working; rock massif deformation; resupporting; soft rocks.

References


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DOI: http://dx.doi.org/10.20535/2079-5688.2014.25.38322

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