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A. M. Mochalov
A. M. Mochalov
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Mine survey
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Account of influence of fracturing of stony and semistony rocks on the strength of rock mass in evaluation of stability of open-pit slopes by prospecting data

The Article considers the aspect concerning the prediction of one of indices of rock mass structure,i.e.a dimension of structural blocks of fractured stony and semistony rocks – the index which is required for transition from strength (cohesion) of rocks in a specimen to cohesion in rock mass in evaluation of open-pit slope stability. It is shown also the determination of reference value of the dimension of structural blocks by core from geological holes with the aid of RQD (Rock Quality Designation) at the stage of prospecting of one of ore deposits intended for open-pit mining.

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A. M. Mochalov, S. V. Kagermazova, G. A. Grebenshchikova (2011) Account of influence of fracturing of stony and semistony rocks on the strength of rock mass in evaluation of stability of open-pit slopes by prospecting data. Journal of Mining Institute. Vol 190. p. 304.