INVESTIGATION OF THE BLOCK CAVING GEOTECHNOLOGY AT DEEP HORIZONS
Bekbergenov D.K. Jangulova G.K. Zhanakova R.K. Bektur B.
2024National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2024#6Issue 46849 - 66 pp.
The purpose of the work is to develop a new modification of the process chart of the block caving geotechnology with vibration ore drawing for the safe and sustainable development of underground mining of chromite deposits that ensures an increase in the production capacity of blocks in the deep horizons of the “10th Anniversary of Independence of Kazakhstan” mine. Theoretical and methodological rationale of the results reliability is based on the explanation of the nature of the development using effective options of the new modification of the process chart of the block caving geotechnology with vibration ore drawing under the artificial stope sill during underground mining of chromite reserves of the “10th Anniversary of Independence of Kazakhstan” mine. The methodology and geomechanical assessment of parameters of structural elements and the interaction of draw points (the methodology of Professor D. Laubscher) have been developed for the block caving geotechnology with vibration ore drawing under the artificial stope sill in difficult mining conditions as exemplified in a deep mine in Kazakhstan. The essence of the proposed development lies in the fact that within the level of the underground mining, to apply the new modification of the process chart for development of ore deposits using the block caving geotechnology, the process chart is used in combination with the vibration ore drawing under the artificial stope sill according to the detailed process chart for layered development of an artificial funnel with subsequent transportation of the withdrawn ore mass from the production block by the mine electric locomotives to the lifting shaft. In accordance with the proposed block caving geotechnology with vibration ore drawing in the mining conditions of the “DNK” mine corresponding to the above-described production processes in conjunction with the process chart for this geotechnology, we recommend the use of technological equipment and complexes for performing underground driving as well as for the construction of artificial stope sills made of reinforced concrete.
artificial stope sill , block caving , mine , process chart , stressstrain state , underground mining
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D.A. Kunayev Mining Institute, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
K.I. Satbayev Kazakh National Research Technical University, Almaty, Kazakhstan
JSC Maikainzoloto, Maikain, Kazakhstan
D.A. Kunayev Mining Institute
Al-Farabi Kazakh National University
K.I. Satbayev Kazakh National Research Technical University
JSC Maikainzoloto
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