Deliberate dumping technology for mining reclamation effectiveness improvement

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Authors:

I.L. Gumenik, Dr. Sci. (Tech.), Professor, State Higher Educational Institution “National Mining University”, Head of the Open Cast Mining Department, Dnepropetrovsk, Ukraine.

O.V. Lozhnikov, Ph.D, Cand. Sci. (Tech.), State Higher Educational Institution “National Mining University”, Associate Professor of the Open Cast Mining Department, Dnipropetrovsk, Ukraine.

A.I. Panasenko Anatoliy Ivanovich, Cand. Sci. (Tech.), State Higher Educational Institution “National Mining University”, Senior Research Fellow, Dnipropetrovsk, Ukraine.

Abstract:

Purpose. To increase the mining reclamation effectiveness during flat deposits open cast mining through the introduction of the technology of external and internal dumps with the common surface formation which provides the rise of reclamation lands area suitable for the agricultural use.

Methodology. We have used following theoretical and experimental methods: analysis of reclamation techniques currently in use, mathematical modeling of dump formation.

Findings. We have determined the limits of smart use of the developed dump forming method taking into account the additional increase of reclamation lands coefficient depending on the width and depth of the open cast mine. The reclamation coefficient rises by 6%, and the area under external and internal dump slopes diminishes by 39%. The external and internal dump formation flowsheet has been drawn. It includes the change of current height of the third and the fourth dump benches and allows diminishing the area under dump slopes, without involving of extra excavation equipment. The method results in reduce of mining reclamation work volume.

Originality. We have developed method of determination of the parameters of external and internal dumps with common surface and dumping flowsheets. This allows us to combine dumping and reclamation processes at all stages of deposit mining.

Practical value. Application of the suggested method and flowsheets will allow us to reduce the area under the dump slopes which is not suitable for agricultural reclamation and volumes of mining reclamation works at the cleaning-up stage of horizontal deposit mining. 

 

References:

 

1. Національна доповідь про стан навколишнього природного середовища в Україні / Міністерство охорони навколишнього природного середовища України. – Київ, 2006. – 547 с.

 

“National report about natural environment state in Ukraine”, (2006), Ministry of natural environment guard of Ukraine, Kyiv.

 

2. Научные основы рационального природопользования при открытой разработке месторождений: монография / Г.Г. Пивняк, И.Л. Гуменик, К. Дребенштедт, А.И. Панасенко. – Днепропетровск: НГУ, 2011. – 568 с.

 

Pivnyak, G.G., Gumenik, I.L., Drebenshtedt, C., Panasenko, A.I. (2011), Nauchnye osnovy ratsyonalnogo prirodopolzovaniya pri otkrytoy razrabotke mestorozhdeniy [Scientific Bases Rational Use of Natural Resources during the Open Cast Mining of Deposits], monograph, NMU, Dnepropetrovsk, Ukraine.

 

3. Экология и охрана природы при открытых горных работах / [Томаков П.И., Коваленко В.С., Михайлов А.М. и др.] – М.: МГГУ, 2000. – 417с.

 

Tomakov, P.I., Kovalenko, V.S., Mikhaylov, A.M. (2000), Ekologiya i okhrana prirody pri otkrytykh gornykh rabotakh [Ecology and Conservancy in Open Cast Mining], MGGU, Moscow, Russia.

 

4. Коваленко В.С. Рекультивация нарушенных земель на карьерах / Коваленко В.С., Штейнцайг Р.М., Голик Т.В. // Основные требования к рекультивации нарушенных земель. Часть 1. – М.: МГГУ, 2012. – 65 с.

 

Kovalenko, V.S., Shteintsayg, R.M. and Golik, T.V. (2012), Rekultivatsya narushennykh zemel na karyerekh. Osnovnye trebovaniya k rekultivatsii narushennykh zemel [Reclamation of Disturbed Lands in Open Cast Mines. Basic Requirements for Disturbed Lands Reclamation], Part 1, MGGU, Moscow, Russia.

 


 

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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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