Geofiltration regularities in the areas loaded by gravitation in tailings and waste rock dumps

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Authors:

V.I. Timoshchuk, Cand. Sci. (Tech.), Associate Professor, State Higher Educational Institution “National Mining University”, Senior Lecturer of the Department of Hydrogeology and Engeneering Geology, Dnipropetrovsk, Ukraine

Ye.A. Sherstyuk, Postgraduate Student, State Higher Educational Institution “National Mining University”, Assistant Lecturer of the Department of Hydrogeology and Engeneering Geology, Dnipropetrovsk, Ukraine

Abstract:

Purpose. To identify the features of formation of the hydrodynamic regime on an area involved into mining industry; to estimate the impact of the hydrodynamic regime on the stressed state of the surrounding area.

Methodology. Study of ground water flow characteristics in the gravitationally loaded area of rock mass has been performed through formulating and carrying out of calculating experiments using a numerical finite difference model of filtration.

Findings. The features of ground water flow have been determined for the top layers of the rock in dump tailing areas by numerical simulation using the 3D model reproducing ground water flow within aquifers and confining layers. The impact of the hydrodynamic regime formed in the gravitationally loaded rock on geomechanical conditions of the territory affected by mining industry has been determined.

Originality. The effect of changes in the stressed state of the gravitationally loaded rock and its permeability on redistribution of the flow balance components in the area of tailings and tailing dumps has been established. The discovered features of formation of the hydrodynamic regime on the studied areas determine the direction and nature of negative engineering and geological processes within the territories affected by the industrial facilities.

Practical value. The research results form the basis for predicting the negative hydrodynamic and geomechanical processes in the zone affected by mining industry and for substantiation of protective engineering measures as well.

References:

1. Идентификация трехмерной геофильтрационной модели техногенно нагруженной территории цент-ральной части Криворожского бассейна / Рудаков Д.В., Тимощук В.И., Перкова Т.И., Шерстюк Е.А. // Науковий вісник Національного гірничого університету. – Дніпропетровськ, 2011. – №5 – С. 21 – 25.
Rudakov, D.V., Timoshchuk, V.I., Perkova, T.I. and Sherstyuk, Ye.A. (2011), “Identification of a 3D ground water flow model for an area charged by mining industry in the central part of the Kryvyi Rih iron ore basin”, Naukovyi visnyk Natsionalnogo hirnychoho universytetu, no.5, pp. 21–25.

2. Влияние хвостохранилищ Центрального горно-обогатительного комбината на подземные и поверх-ностные воды / [Багрий И.Д., Курочкина Н.Г., Белокопытова Н.А. и др.] // Геологический журнал. – 2004. – №1. – С. 54–61.
Bagriy, I.D., Kurochkina, N.G., Belokopytova, N.A., Synakh, V.Yu., Leyko, G.N. and Cherednichenko, V.G. (2004), “Affect of tailings of the Central Ore-Processing Plant on groundwater and surface water”, Geologicheskiy zhurnal, no.1, pp. 54–61.

3. Никитин В.В. Инженерно-геологическое обес-печение реконструкции хвостового хозяйства на Северном горно-обогатительном комбинате / Никитин В.В., Месхи Н.Ж. // Геология и разведка. – 1991. – №8. – С. 115–117.
Nikitin, V.V. and Meskhi, N.Zh. (1991), “Engineering and geological reconstruction of tailing system at Northern Ore-Processing Plant”, Geologiya i razvedka, no.8, pp. 115–117.

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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