Application of long exrtaction pillars during mining of Donbass coal seams
Kuzmenko А.М1,Kozlov А.А2,Kheylo А.V2
1National Mining University, Dnipropetrovsk, Ukraine
2PJSC “Donetsksteel” – metallurgical plant”, Donetsk, Ukraine
Min. miner. depos. 2013, 7(2):137-141
https://doi.org/10.15407/mining07.02.137
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ABSTRACT
Conditions of long extraction pillars use are stated for longwall mining method and mining operations development general tendency is described based on the introduction of highly productive longwall complexes on mines of Donbas.
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