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
About authors
- 1 — Saint Petersburg State Mining Institute (Technical University)
- 2 — Saint Petersburg State Mining Institute (Technical University)
- 3 — Saint Petersburg State Mining Institute (Technical University)
Abstract
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.
Область исследования:
(Archived) Mine survey
Funding:
None
Similar articles
The choice of mining methods for the near-ore bank reserves of the Koashva deposit
2011 A. B. Koreivo, A. G. Zileev
The forecasting of stress condition in the «pillar-working» system in combined action of rock bump and geostatic pressure
2011 V. V. Karpenko, Yu. N. Ogorodnikov
Tunnel induced deformation of strata and formation of surface settlement trought during construction process
2011 M. A. Karasev
Management stress-strain state block structure partition arrays in difficult geological and mining engineering conditions of mine Тalnakh
2011 V. A. Zvezdkin, V. N. Karelin, A. G. Anokhin, Yu. N. Nagovitsin