[PDF][PDF] Analytical research of the parameters and characteristics of new “quarry cavities–backfill material” systems: Case study of Ukraine

M Petlovanyi, K Sai, O Khalymendyk… - Mining of Mineral …, 2023 - mining.in.ua
Purpose. The research is aimed to identify, investigate and study the parameters and
characteristics of the “quarry cavities–backfill material” systems on the territory of Ukraine …

Study of stress concentration on the contour of underground mine workings

S Pysmennyi, S Chukharev, A Peremetchyk… - Inżynieria …, 2023 - yadda.icm.edu.pl
Kryvyi Rih iron ore basin consists of complex structured ore deposits and is developed by
the underground method at depths of over 1000 m. The underground method is used to …

Development of technologies for mining ores with instable hanging wall rocks

S Pysmennyi, S Chukharev, IK Kourouma… - Inżynieria …, 2023 - yadda.icm.edu.pl
Abstract Underground mines of Kryvyi Rih iron ore deposit apply room mining systems or
systems with bulk caving of ore and overlying rocks in a ratio of 35% to 65%. Most mines …

Our sustainable pandemic future

S Semerikov, S Chukharev, S Sakhno, A Striuk… - 2021 - ds.knu.edu.ua
This is an introductory text to a collection of papers from the ICSF 2021: Second International
Conference on Sustainable Futures: Environmental, Technological, Social, and Economic …

Scientific and technical problems of transition from open pit to combined technologies for raw materials mining

M Stupnik, V Kalinichenko… - … Series: Earth and …, 2023 - iopscience.iop.org
Abstract In Kryvyi Rih iron ore basin, long-term and intensive mining of deposits applying
open pit methods have resulted in significant areas disturbed by open pits, dumps and …

Justification of an acceptable modern energy-efficient method of obtaining sodium silicate for production in Kazakhstan

KK Yelemessov, DD Baskanbayeva… - … Series: Earth and …, 2023 - iopscience.iop.org
Sodium silicate is used in various industries. Sodium silicate is a basic component in the
production of silicate adhesives and paints, silica gel, welding electrodes, corrugated …

Improvement of the transitional technology from open pit to underground mining of magnetite quartzite

M Stupnik, V Kalinichenkо… - E3S Web of …, 2024 - e3s-conferences.org
The paper analyzes the disadvantages of the technology of iron ore open pit mining and
current environmental problems of open pit mining. The paper also addresses problems of …

Study of hydroerosion process parameters of zeolite-smectite tuffs and underlying rock

ZR Malanchuk, VY Korniyenko, VV Zaiets… - … Series: Earth and …, 2023 - iopscience.iop.org
The paper considers the expediency of complex processing of zeolite-smectite tuffs using
the method of borehole hydro-mining. The basic information about deposits of zeolite …

Reduction of ore losses on the footwall by improving ore breaking

V Kalinichenko, S Pysmennyi… - E3S Web of …, 2024 - e3s-conferences.org
When mining steep deposits of Kryvyi Rih iron ore basin (Ukraine), a significant part of the
reserves is lost in the “triangle” of the footwall. Complete extraction of reserves requires …

Study of rock massif strains when creating an internal dump in the zone of transition from open pit to underground mining

M Stupnik, O Kalinichenko, O Shepel… - E3S Web of …, 2024 - e3s-conferences.org
The work explores technologies for transitioning from open pit to underground mining of
minerals, focusing on stress-strain analysis of the rock mass during this process. It enhances …