The article presents the results of a pilot project on extraction of pitwall reserves using highwall mining systems at the Talda Coal Basin. After comparative analysis of data obtained in implementation of process charts with the single-line and two-line roadways, prime areas of research toward drilling performance improvement are formulated. It is shown that the use of the highwall mining systems allows an increase in completeness of mineral extraction, which complies with the current requirements of efficiency and integrated subsoil management. The article validates that, after ultimate pit limits have been reached, it is expedient to extract reserves from pitwall and from various purpose pillars by the unmanned mode technology and underground openings driven from the pit. Further more, it substantiates the promising nature of this technology for mining other mineral deposits in case that their open pit or underground mining was previously evaluated as inadvisable and unprofitable.


Coal, unmanned-mode underground mining technology, highwall mining systems, completeness of mineral extraction from subsoil.

Issue number: 8
Year: 2018
UDK: 622.272.3
DOI: 10.25018/0236-1493-2018-8-0-36-45
Authors: Kazakov A. S.

About authors: Kazakov A.S., Leading Specialist, e-mail: kazakov@vims-geo.ru, All-Russian research Institute of mineral resources named after N.M. Fedorovsky, 119017, Moscow, Russia.


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