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N. A. CHINAKAL INSTITUTE OF MINING SIBERIAN BRANCH RUSSIAN ACADEMY OF SCIENCES
ArticleName Development of scientific framework for safe and efficient geotechnology for rockburst-hazardous mineral deposits in Western Siberia and the Far North
DOI 10.17580/gzh.2019.10.03
ArticleAuthor Eremenko A. A., Shaposhnik Yu. N., Filippov V. N., Konurin A. I.
ArticleAuthorData

N. A. Chinakal Institute of Mining Siberian Branch Russian Academy of Sciences, Novosibirsk, Russia:

A. A. Eremenko, Chief Researcher, Professor, Doctor of Engineering Sciences, eremenko@ngs.ru
Yu. N. Shaposhnik, Leading Researcher, Professor, Doctor of Engineering Sciences
V. N. Filippov, Senior Researcher, Candidate of Engineering Sciences
A. I. Konurin, Researcher, Candidate of Engineering Sciences

Abstract

A typical current trend in the mineral mining industry in Russia is progression of mines to increasingly greater depths. The incidental static and dynamic events due to high rock pressure considerably complicate field operation, decrease production efficiency and promote hazardous geotechnical situations in mines. The nature and behavior of events due to rock pressure, especially at great depths, depend, for the first turn, on natural factors and mining technology. The FEM-based numerical modeling is used for the geomechanical assessment of the current geotechnical situation in the Glubokaya Mine in the Oktyabrsky deposit, for the justification of the mine design elements and for the prediction of rock mass stability. For the Tashtagol, Sheregesh and Oktyabrsky deposits, the effective stresses are determined using the methods of borehole slotter and hydraulic fracturing. The procedure of laser scanning is developed and analyzed for designating configuration of compensation chambers in extraction panels and for delimiting mined-out areas. Ignitability and explosibility of ore and enclosing rocks in the course of mining are estimated for mining depths below 1500 m. The rockburst hazard is assessed at the Badran deposit in Yakutia by the criterion of rock brittleness using the method of postlimit deformation. The drilling-and-blasting parameters are substantiated for high-stress rock mass. The calculation procedure is developed for seismically hazardous zones induced by process blasting with regard to allowable values of PPV at the bottom of protected constructions, category of state of the objects, as well as intensity of shocks within a definite period of time. The geotechnology design factors are justified for the period of transition from open stoping to sublevel caving in rockburst-hazardous blind ore bodies.

keywords Geotechnology, blast, rock mass, stress, extraction panel, ore, zone, scanning, borehole
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