Перегляд по темі "stress-strain state"
Зараз показуються 1-10 з 44
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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 ... -
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. ... -
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 ... -
DEVELOPMENT OF COMPUTING MODEL OF GEOMECHANICS SYSTEM «LAYERED MASSIF - WORKING SUPPORT» AT PHYSICAL PARAMETERS OF ROCKS
(2018)Substantiation of method forecasting of manifestation rock pressure in the system «layered massif – working support» based on the detection of patterns displacement any point of circuit the preparatory ... -
Development of natural underground ore mining technologies in energy distributed massifs
(2020)The object of research is the technology and facilities for underground mining of ores in the disrupted massifs. One of the most problematic places is the formation of man-made voids; which influence the occurrence and ... -
Experimental characteristics for deformation properties of backfill mass
(National Mining University, 2020-09-30)Purpose. Determining the deformation properties of backfill mass used to preserve the continuity of the coal-rock stratum enclosing mine workings. Methods. To achieve the purpose set, laboratory studies have been performed ... -
Influence of breakages of cable groups on strength of rubber-cable tractive-transporting element
(Видавництво НТУ "ДП", 2021)A model of a flat rubber-cable tractive-transporting element with random locations of breakages of cable groups in different cross-sections is developed. Expressions that allow determining a stress-strain state of a flat ... -
Justification of the rational parameters of chambers of the third stage extraction while underground iron ore mining
(2015)The width of stope chamber of third stage mining in contact with week rocks of hanging wall is justified. The calculation technique of mining methods with backfilling is improved. -
Laboratory research of zonal structuring of massif around mine workings
(2016)Objective is research of zonal structuring of massif around mine workings. The main methods of research conducting are following: equivalent, optic-polarization and electri-cally conductive materials. Boundaries of zones ... -
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 ...