Now showing items 1-6 of 6
Effect of rocks displacement activation on the formation of the surface trough during anthracite seams extraction
(National Mining University, 2017-06-30)
Purpose. To define peculiarities related to the formation of the dynamic and stationary half-troughs under the influence of anthracite seam extraction by adjacent faces. Methods. To establish the parameters of the surface ...
Geodetic and seismological observations applied for investigation of subsidence formation in the CSM Mine (Czech Republic)
(National Mining University, 2018-06-30)
Purpose. Undermined areas are affected by the creation of subsidence depressions due to long-term underground mining. In general, different geodetic methods are applied to obtain further information needed to determine the ...
Experimental determination of angle values of the rocks full displacement when undermining them by breakage headings
(National Mining University, 2017-12-30)
Purpose. Experimental determination of angle changes of full displacement of rocks by removing the breakage face from the face entry in different mining and geological conditions. Methods. On the basis of experimental ...
Analysis of possibilities to increase oil recovery with the use of nitrogen in the context of deep oil deposits of the Dnipro-Donetsk oil-and-gas Ukrainian province
(National Mining University, 2019-12-30)
Purpose is to increase oil recovery of deep oil deposits of the Dnipro-Donetsk oil-and-gas Ukrainian province with the use of nitrogen. Methods. Experiments, intended to residual oil displacement with the use of different ...
Experimental studies of the seam openings competence in different methods of protection under pitch and steep coal seams development
(National Mining University, 2018-12-30)
Purpose. Investigation of the seam openings competence in different methods of protection in complex mining and geological conditions of pitch and steep coal seams development of Donbas. Methods. To achieve this purpose, ...
Study and evaluation of the stability of underground mining method used in shallow-dip vein deposits hosted in poor quality rock
(Dnipro University of Technology, 2021-09-30)
Purpose. This article proposes to analyze and determine the mining design for shallow-dip deposits hosted in poor quality rock. Methods. We used the UBC tool to find the optimal exploitation method, the Rock mass rating ...