Search
Now showing items 1-10 of 11
Development and analysis of computational model of geomechanical system “layered massif – working support”
(National Mining University, 2016-06-30)
Purpose. Substantiating the method for forecasting rock pressure manifestation in the system “layered massif – working support” on the basis of displacement patterns detection at any arbitrary point of the preparatory ...
Modeling of bearing massif condition during chamber mining of ore deposits
(National Mining University, 2016-06-30)
Purpose. To examine rock mass stress changes in hanging wall and footwall rocks of the deposit during mining of primary and secondary stoping chambers.
Methods. Analytical research into stress-strain state around stoping ...
Study of massif stress-strain state while mining the series of flat strata
(National Mining University, 2017-03-30)
Purpose. To determine the effect of rock overworking and underworking on massif stress-strain state while extracting the series of flat coal seams.
Methods. Mining, geological and technical conditions; current approaches ...
Computational model for evaluating the state of geomechanical systems during computing experiments
(National Mining University, 2017-03-30)
Purpose. To create a model allowing integration of the diverse features identified for the rock massif behavior by differentiation of various theories and real phenomena into a single information-analytical flow.
Methods. ...
Research of rock pressure manifestations in rocks of parting during descending and simultaneous mining of C9 and C10Top coal seams
(National Mining University, 2017-03-30)
Purpose. To estimate the probability of interstratal rocks stability loss during simultaneous mining of two seams in series in the descending order.
Methods. Methods of a computing experiment and mine observations were ...
The influence of rigidity of the collapsed roof rocks in the mined-out space on the state of the preparatory mine workings
(National Mining University, 2019-06-30)
Purpose. The substantiation of accounting the deformation-strength characteristics of the collapsed rocks and the rocks consolidating near the reusable preparatory mine working of the mined-out space to optimize the loading ...
Phenomena of stability of the coal seam roof with a yielding support
(National Mining University, 2019-12-30)
Purpose. Determining the conditions and parameters for ensuring the stability of the coal seam roof with a yielding support in the area adjacent to face and behind it under the influence of dynamic loads based on the ...
Analysis of operation parameters of partial backfilling in the context of selective coal mining
(National Mining University, 2019-12-30)
Purpose is to determine factors of effect of mechanical parameters and geometry of packs, constructed using the undercut rocks in the process of selective coal mining, on the state of geomechanical system within a mine ...
Stability of the overworked slightly metamorphosed massif around mine working
(National Mining University, 2020-06-30)
Purpose. The study of mechanisms of the overworked slightly metamorphosed massif stability around mine working using the example of laminal rocks in the Western Donbas (Ukraine).
Methods. The analysis of the overworking ...
Research into stress-strain state of the rock mass condition in the process of the operation of double-unit longwalls
(National Mining University, 2020-06-30)
Purpose. To substantiate changes in stress-strain state of rock mass in the process of long-pillar mining with the help of double-unit longwalls while evaluating stress of a mine field in terms of Lvivvuhillia SE mine.
Methods. ...