E3S Web Conf.
Volume 123, 2019Ukrainian School of Mining Engineering - 2019
|Number of page(s)||10|
|Published online||22 October 2019|
Method for calculating the groundwater inflow into pit when mining the placer deposits by dredger
1 Motronivskyi Mining Processing Plant, 30-A Molodizhna St., 51700 Vilnohirsk, Ukraine
2 Limited Liability Company “GIRHIMPROM”, 98 Stryiska St., 79026 Lviv, Ukraine
3 Dnipro University of Technology, Department of Surface Mining, 19 Yavornytskoho Ave., 49005 Dnipro, Ukraine
4 Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, Division of Mineral Resource Acquisition, 7 Wybickiego St., 31-261 Krakow, Poland
* Corresponding author: firstname.lastname@example.org
The research aims to increase the performance efficiency of hydromechanization equipment under the conditions of pit operation of the Motronivskyi Mining and Concentrating Plant by determining the dynamics of change in the water level in the mine workings when developing the overburden rocks and mineral. It has been generalized the world experience of determining the groundwater inflows into mine workings, which are mined by means of hydromechanization equipment. The methods have been developed for calculating the underground water inflow into the pit reservoir, when mining the placer ores by hydromechanization equipment. It has been proved that the dredger work in the conditions of the Motronivskyi MCP pit is possible without external source of water supply. The research results in determining the influence of underwater mining of overburden rocks and ore by dredger for decreasing the water level and its subsequent recovery in the reservoir of the Motronivskyi MCP pit, allow to develop a mode of mining operations without an external source of water supply. The dynamics of water level fluctuations in mine working during the working week have been established. The research results have shown that the dredger, taking into account the technical characteristics, can continuously operate for 9.5 days under the conditions of underground water inflow into the Motronivskyi MPP pit. It has also been established that after the dredging of the overburden rocks is stopped, the level of water in the pit for 2.5 days will recover.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.