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Choice and substantiation of stable crown shapes in deep-level iron ore mining
(National Mining University, 2018-12-30)
Purpose. The aim of the paper is to select and substantiate stable shapes of crown pillars through determining regularities of rock pressure impacts on their stability depending on the crown shapes, mining depths and iron ...
Development of a research methodology and analysis of the stress state of a parting under the joint and downward mining of coal seams
(National Mining University, 2018-03-30)
Purpose. The investigation of the stress-strain state (SSS) of a parting under the joint and downward mining of coal seams.
Methods. The studies have been carried out on the basis of a computational experiment by means ...