Перегляд Періодичні видання НТУ "Дніпровська політехніка" по назві
Зараз показуються 195-214 з 3493
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Increasing stability of underground mine workings by forming new geotechnical properties of adjoining layers via roller compaction
(2016-03-30)Purpose. To create a model reproducing the process of forming geotechnical properties of the rock massif adjoining circuit of underground excavation by roller compaction method incorporating hardening and creating the zone ... -
Industrial research into massif zonal fragmentation around mine workings
(National Mining University, 2016-03-30)Purpose. The main purpose of the work is identification of massif zonal fragmentation around mine workings by means of industrial methods of research. Methods. Research into processes of massif zonal fragmentation around ... -
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 ... -
Influence of composite slope geometrical parameters on soft rock slope stability
(National Mining University, 2020-03-30)Purpose. To analyze the key parameters influencing the stability of a composite soft rock slope. Methods. Description of the key geometrical parameters of a composite slope and their influence on soft rock slope stability. ... -
Influence of configuration chambers on the formation of stress in multi-modulus mass
(National Mining University, 2016-06-30)Purpose. Detecting unstable areas in the filling mass taking into account configuration of the adjacent mineable chambers to improve its formation. Methods. The research into stress state of multi-modulus mass consisting ... -
Influence of physic-mechanical properties on a choice of metallurgical slags processing technology
(2015)Проаналізовано фізико-механічні властивості шлаків після первинної переробки – тер-мічного (термоудар) і механічного впливу на розплав, схильність відвальних шлаків до розпаду – структурним перетворенням, і можливі види ... -
Influence of watering filled-up rock massif on geomechanical stability of the cyclic and progressive technology line
(National Mining University, 2016-06-30)Purpose. Comprehensive assessment of the fill slope stability for cyclical-and-continuous technology (CCT) conveyors applied to rocks of stripping at Pervomaiskiy quarry of PJSC “Severnyi GOK” to justify effective ... -
Initial product influence on separation characteristics while placer ore gravity dressing
(2013)В результаті вивчення сепараційних характеристик гравітаційного збагачення тита-ноцирконієвих пісків за даними лабораторних досліджень та результатів, досягнутих у промислових умовах, встановлено їх зміну в залежності від ... -
Innovation approaches in seismic microzonation tailing dump designing
(2013)Рассматриваются современные подходы оценки влияния локальных условий на сейсмическую опасность территорий. На примере хвостохранилищ горно-обогатительных комбинатов показано, что привлечение цифровых моделей среды и расчетных ... -
Innovative aspects of underground coal gasification technology in mine conditions
(National Mining University, 2018-06-30)Purpose. Development of innovative approaches in technological and technical solutions improvement for coal seam gasification. Methods. Carrying-out of native and world experience in the coal reserves development by ... -
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region
(National Mining University, 2018-03-30)Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area ... -
Interaction of rock-bolt supports while weak rock reinforcing by means of injection rock bolts
(Dnipro University of Technology, 2021-12-30)Purpose is to analyze changes in shape and dimensions of a rock mass area, fortified with the help of a polymer, depending upon the density of injection rock bolts as well as the value of initial permeability of enclosing ... -
Introduction of a jet pump dredger equipped with an innovative suction head
(Видавництво НТУ "ДП", 2022)The purpose of the article is performing full-scale experimental studies of the JPD 300-120 ejector suction dredger equipped with an innovative soil suction head with a jet disintegrator system. Methodology. Consists in ... -
Investigation and substantiation of efficiency of working out of a draft with dragline from one position with moving of a ground to an angle to 220 degrees at working out of smooth deposits
(2018)Визначено оптимальні параметри елементів системи розробки пологих родовищ вогнетривких глин із застосуванням драглайна ЕШ 10/70 (ЕШ 11/70) з одного робочого положення при підготовці пласта корисної копалини до виймання. ... -
Investigation of the dust formation process when hoisting the uranium ores with a bucket
(National Mining University, 2019-09-30)Purpose. Determining the possible level of air dustiness during the bucket hoisting of uranium ores along the shaft “Holovnyi” of the mine “Novokostiantynivska”, SE “VostGOK”. Methods. To determine the level of air ... -
Laboratory studies of a high-strength roof bolting by means of self-extending mixtures
(National Mining University, 2019-06-30)Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods. The research, concerning ... -
Lifelong learning competence development of mining students and academic integrity: case study of language courses
(National Mining University, 2019-03-30)Purpose. State-of-the-art description of faculty members (teaching language courses) attitude towards distinguishing of life-long learning competences evaluation and on purpose formation for mining students. Methods. The ... -
Limited operating conditions of the jet mill injector
(2013)Наведено три критичні режими роботи інжектору струминного млина та показано умови їх виникнення. Знайдено коефіцієнти інжекції щодо розглянутих критичних режимів. -
Limited operating conditions of the jet mill injector
(2013)Наведено три критичні режими роботи інжектору струминного млина та показано умови їх виникнення. Знайдено коефіцієнти інжекції щодо розглянутих критичних режимів.