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  • Періодичні видання НТУ "Дніпровська політехніка"
  • Mining of Mineral Deposits
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  •   DSpace Home
  • Періодичні видання НТУ "Дніпровська політехніка"
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Gravitational and tectonic stresses in the rock mass and their determination by measurements in separate points 

Olovyannyy, A (National Mining University, 2017-09-30)
Purpose. Stress state in rock mass is the most important factor affecting processes around mine working. The methods used for calculation of stresses based on hypotheses of elastic thrust, hydrostatic state or spherical ...
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Modeling the process of mineral rocks cutting with a tool made of polycrystallinе superhard materials 

Krasnyk, V (National Mining University, 2017-09-30)
Purpose. To analyze the process of rocks cutting by a tool made of polycrystallinе superhard materials (PSM). Methods. Mathematical modeling of rock destruction process. Findings. A model of deformation and fracturing ...
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Simulation of the support-enclosing rock mass interaction for deep mining 

Kyrychenko, V; Stovpnyk, S (National Mining University, 2018-03-30)
Purpose. To develop analytical model for a support-enclosing rock interaction to determine parameters for operational stability of deep mine workings while decreasing metal consumption and increasing efficient use of ...
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Numerical experiments concerning long-term deformation of rock samples 

Olovyannyy, A; Chantsev, V (National Mining University, 2019-12-30)
Purpose is to develop modeling methods of long-term rock sample deformation and failure under various loading conditions with the help of finite-element method of failure rock modeling (DESTROCK-FE). Methods. DESTROCK-FE ...
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Modelling of deep wells thermal modes 

Bulat, A; Blyuss, B; Dreus, A; Liu, B; Dziuba, S (National Mining University, 2019-03-30)
Purpose. Investigation of various heat-exchange conditions influence of the tower liquid on the deep wells thermal conditions. Methods. Methods of heat-exchange processes mathematical modeling are used. On the basis of ...
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Simulation of sample testing under compression with the help of finite-element model of rocks being broken 

Olovyannyy, A; Chantsev, V (National Mining University, 2018-09-30)
Purpose of the paper is to develop mathematical model describing nature of argillous and salt samples under compression and to make available microdefects using finite-element method. Methods. To simulate behaviour of ...
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Mathematical modelling of thermal stresses within the borehole walls in terms of plasma action 

Bulat, Anatolii; Osіnnii, Valentyn; Dreus, Andrii; Osіnnia, Nataliia (Dnipro University of Technology, 2021-06-30)
Purpose is the development of a mathematical model to study and describe thermal processes within the borehole wall in terms of plasma-based rock breaking. Methods. The following has been applied: theoretical analysis ...

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AuthorOlovyannyy, A (3)Chantsev, V (2)Blyuss, B (1)Bulat, A (1)Bulat, Anatolii (1)Dreus, A (1)Dreus, Andrii (1)Dziuba, S (1)Krasnyk, V (1)Kyrychenko, V (1)... View MoreSubject
mathematical modeling (7)
failure (2)finite-element method (2)rocks (2)borehole reaming (1)brittle fracture (1)creep strains (1)deformation (1)deformation of pores (1)enclosing rock mass (1)... View MoreDate Issued2021 (1)2019 (2)2018 (2)2017 (2)

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