[HTML][HTML] Sustainable underground iron ore mining in Ukraine with backfilling worked-out area

O Bazaluk, M Petlovanyi, V Lozynskyi, S Zubko, K Sai… - Sustainability, 2021 - mdpi.com
The present paper considers aspects of underground iron ore mining in Ukraine, in
particular the level of mine production and reserves of basic ore fields. It analyzes and …

[HTML][HTML] Research into impact of leaving waste rocks in the mined-out space on the geomechanical state of the rock mass surrounding the longwall face

A Smoliński, D Malashkevych, M Petlovanyi… - Energies, 2022 - mdpi.com
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 …

Influence of waste rock dump placement on the geomechanical state of underground mine workings

M Petlovanyi, K Sai, D Malashkevych… - … Series: Earth and …, 2023 - iopscience.iop.org
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 …

Research into the coal quality with a new selective mining technology of the waste rock accumulation in the mined-out area.

D Malashkevych, M Petlovanyi, K Sai… - Mining of Mineral …, 2022 - search.ebscohost.com
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 …

Granulometric composition research of mine rocks as a material for backfilling the mined-out area in coal mines

M Petlovanyi, D Malashkevych, K Sai, I Bulat… - Mining of Mineral …, 2021 - ir.nmu.org.ua
Purpose. Determination of the granulometric characteristics and loosening coefficient of
mine rocks formed during stope operations from undercutting the bottom rocks as a potential …

[HTML][HTML] Instability assessment of hanging wall rocks during underground mining of iron ores

O Bazaluk, M Petlovanyi, S Zubko, V Lozynskyi, K Sai - Minerals, 2021 - mdpi.com
The paper presents the study of the deformation processes development in unstable rocks of
the hanging wall during mining a thick steeply dipping ore deposit in the example of the …

Geomechanical substantiation of the parameters for coal auger mining in the protecting pillars of mine workings during thin seams development

M Petlovanyi, V Medianyk, K Sai, D Malashkevych… - 2021 - ir.nmu.org.ua
The paper focuses on mining hard-to-reach coal reserves, concentrated in the protecting
pillars of main mine workings using auger technology. One of the Western Donbass coal …

Chemical pollution peculiarities of the Nadiya mine rock dumps in the Chervonohrad Mining District, Ukraine.

V Skrobala, V Popovych, O Tyndyk… - Mining of Mineral …, 2022 - search.ebscohost.com
Purpose. The research purpose is to study the peculiarities of chemical pollution of the
Nadiya mine rock dumps in the Chervonohrad Mining District, depending on the relief …

Method for controlling the floor heave in mine roadways of underground coal mines.

I Sakhno, I Liashok, S Sakhno… - Mining of Mineral …, 2022 - search.ebscohost.com
Purpose. The method development and research on controlling the floor heave of mine
roadways located in the zone of increased stresses by local strengthening the rocks with …

[HTML][HTML] Preparation and characterization of low-carbon cementitious materials based on soda-residue-activated ground granulated blast-furnace slag: a case study …

Q Ren, W Qi, Q Zhao, Y Jia, Y Feng, Y Han, G Duan… - Metals, 2023 - mdpi.com
To investigate the issues related to significant environmental damage and poor resource
utilization of soda residue (SR), the composition and microstructure of hydration products of …