Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Kateryna Sai"'
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
IntroductionComplex mineral mining leads to critical earth’s surface disturbance and environmental pollution from industrial waste. This research aims to comprehensively study, assess and show the current scale of the earth’s surface disturbances
Externí odkaz:
https://doaj.org/article/7035f6ae45374dbab25d545c58c3337c
Autor:
Adam Smoliński, Dmyto Malashkevych, Mykhailo Petlovanyi, Kanay Rysbekov, Vasyl Lozynskyi, Kateryna Sai
Publikováno v:
Energies, Vol 15, Iss 24, p 9522 (2022)
Backfilling technology is not always used by mining enterprises, which is conditioned by technological and economic factors, such as the need for high mining rates and costs for the technological processes of transporting backfill materials from the
Externí odkaz:
https://doaj.org/article/c18bfd84b4244c989caaf78c7d01143d
Publikováno v:
Rudarsko-geološko-naftni Zbornik, Vol 34, Iss 1, Pp 83-91 (2019)
The development of iron-ore deposits is accompanied by the excavation formation of considerable dimensions in the underground space and to ensure high technical and economic indicators of extraction, especially when developing high-grade iron ore, it
Externí odkaz:
https://doaj.org/article/d0b989cad0454166a73b2db627d4d979
Publikováno v:
Energies, Vol 14, Iss 5, p 1345 (2021)
Ukraine is an energy-dependent country, with less that 50% of its energy consumption fulfilled by its own resources. Natural gas is of paramount importance, especially for industry and society. Therefore, there is an urgent need to search for alterna
Externí odkaz:
https://doaj.org/article/e469075f74d64fa4993a64f7e82f4243
Publikováno v:
Mining of Mineral Deposits. 16:103-114
Purpose. The research purpose is to study the formation of quantitative-qualitative indicators of mined coal under conditions of dynamic changes in space and time with a new stope mining technology with waste rock accumulation in the underground mine
Publikováno v:
Mining of Mineral Deposits. 15:122-129
Purpose. Determination of the granulometric characteristics and loosening coefficient of mine rocks formed during stope operations from undercutting the bottom rocks as a potential backfill material based on a set of mine and laboratory research. Met
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1156:012007
This paper is devoted to assessing the influence of waste rock surface dumps on the geomechanical state of underground mine workings. The conditions of the Pivdenno-Bilozerskyi high-grade iron ore field are chosen as the research object. To study the
Autor:
Kateryna Sai, Mykhailo Petlovanyi
Publikováno v:
JOURNAL of Donetsk mining institute. :7-18
Purpose. Analytical researches of the stress state of the backfilling stopes with different physical and mechanical properties using numerical modeling to determine possible zones of stability losses and predict their failure. Methods. Numerical mode
Publikováno v:
Journal of Geology, Geography and Geoecology. 29:765-775
The problem of mining low-thickness coal seams in the Western Donbas is described in the article. Technological, economic and environmental reasons reducing the effectiveness of traditional technologies for their development are analyzed in detail an
Publikováno v:
Mining of Mineral Deposits. 14:66-81
The results of the work have been obtained within the framework of the research-and-development work “Development of advanced technologies for the complete mining of steam coal with the accumulation of waste rocks in the underground space” (No. 0