Saint Petersburg Mining Project and Engineering Company (Saint Petersburg, Russia):

Boguslavskiy I. E., Chief Executive Officer

Boguslavskiy E. I., Chief Miner-Expert, Professor, Doctor of Engineering Sciences

Fomenko A. D., Director of Board

«Kombinat KMAruda» JSC (Gubkin, Russia):

Sidorchuk V. V., First Deputy Managing Director

Shokov V. I., Deputy Chief Engineer on Technology and Prospective Development

Tsytsorin I. A., Deputy Head of Engineering Department

Design of the basic concept of further development of mining at «Kombinat KMAruda» JSC was required for the following operations:
-final processing of reserves of the functioning floor of Gubkin mine;
-setting of new floor of the mine into exploitation;
-investigation of methods of increasing of reserves extraction from the subsoils in rather complex conditions, connected with presence of water-bearing horizons in cap rocks and location of mine within the town boundaries. According to the results of the carried out researchings and developmental works, there was accepted the following concept of further development of mining at «Kombinat KMAruda» JSC. Technologically, the extraction of deposit reserves is being carried out in two stages. The first stage is the horizon and single-stall method of development of stall reserves with conservation of interstall and intervening pillars, with the following hydraulic filling of mined out stalls by the concentration sands. The second stage is the development of a part of reserves of pillars by the upward layers with solid stowing. This stage requires the experimental and industrial testings.

1. Kaplunov D. R., Leyzerovich S. G., Tomaev V. K., Sidorchuk V. V. Gornyi Zhurnal – Mining Journal, 2011, No. 10, pp. 44–49.
2. Agoshkov M. I. Gornyi Zhurnal – Mining Journal, 1950, No. 11, pp. 9–12.
3. Litvinenko V. S., Boguslavskiy E. I., Korzhavykh P. V. Zapiski Gornogo Instituta – Proceedings of Mining Institute, 2012, Vol. 195, pp. 115–119.
4. Boguslavskiy E. I., Korzhavykh P. V. Gornyy Informatsionno-Analiticheskiy Byulleten – Mining Informational and Analytical Bulletin, 2012, No. 1, pp. 5–8.