Перегляд Періодичні видання НТУ "Дніпровська політехніка" по темі "rock massif"
Зараз показуються 1-10 з 10
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Applied scientific and systemic problems of the related ore-dressing plants interaction in the event of decommissioning the massif that separates their quarries
(National Mining University, 2020-03-30)Purpose. Determining the possible and substantiating expedient alternate design and engineering decisions regarding the stage of spacial union of the adjacent quarries belonging to various owners by mining the rock pillar ... -
Determination of the influence of the degree of fracturing of the rock mass on the index of reduction of its strength
(2023)Purpose. The purpose of research of the presented scientific publication is to establish the regularity of changes in the generalized coefficient of strength reduction of disturbed rock massif depending on the degree of ... -
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 ... -
Generalization of trends in the influence of geomechanics factors on the choice of operation modes for the fastening system in the preparatory mine workings
(National Mining University, 2019-09-30)Purpose. Substantiation of the mechanism of loading the preparatory mine working support to optimize its deformation-strength characteristics based on the calculation of the stress-strain state of the “massif – support” ... -
Numerical methods of geomechanics tasks solution during coal deposits’ development
(National Mining University, 2016-09-30)Purpose. Generalization of numerical modeling of geomechanical processes in the vicinity of mine workings by finite elements method and making recommendations for substantiation of suitable construction and behavior of ... -
Numerical modelling of massif zonal structuring around underground working
(National Mining University, 2016-09-30)Purpose. To identify indicators of massif zonal structuring around underground working using numerical modeling techniques. Methods. Research into massif zonal structuring was performed using finite element method and ... -
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 ... -
Исследование устойчивости кровли выработки, поддерживаемой двухуровневой анкерной крепью при динамических характеристиках геомеханической системы
(2018)Сохранение эксплуатационных характеристик горных выработок, поддерживаемых анкерной крепью, с усложнением горно-геологических условий требует применения двухуровневой анкерной крепью. Для определения оптимальных ... -
Определение оптимального напряженно-деформированного состояния двухуровневого анкерного крепления при варьировании параметров установки канатных анкеров
(2018)Получены значения параметров определяющих поведение канатных анкеров при различных условиях взаимодействия с породным массивом. Выявлены особенности влияния перемещения очистного забоя на изменение напряженно-деформированного ... -
Определение рациональных параметров закладки выработанного про-странства при селективной добыче угля
(2019)Цель. Целью выполненного вычислительного эксперимента является определение факторов воздействия механических и геометрических параметров бутовых полос воздвигаемых из пресекаемых пород при селективной выемки угля на состояние ...