Controlling stress state of a hoisting shaft frame in the context of specific freezing process [PDF]
, 2018 Purpose is to obtain regularities of a stress state of such multilayer system as neighbourhood rock mass – frozen soil – hoisting shaft frame in the process of numerical analysis to control a frame state with the selection of efficient parameters ...
Alkhdour, A +4 more
core +1 more source
Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]
, 2019 Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O +3 more
core +1 more source
Study of the plasma flow interaction with the borehole surface in the process of its thermal reaming [PDF]
, 2018 Purpose. Study of the plasma flow interaction with the borehole surface in the process of its thermal reaming for determination of transient temperature distribution along the borehole surface and the average coefficient of heat transfer from the plasma ...
Horiachkin, V +7 more
core +1 more source
Analysis of the efficiency of geomechanical model of mine working based on computational and field studies [PDF]
, 2018 Purpose is to substantiate the efficiency of geomechanical model of the mine working on the basis of qualitative and quantitative parameters of stress and strain state of the mine working and to compare the results of computational experiment both with ...
Demchenko, Yu +4 more
core +1 more source
Modelling of deep wells thermal modes [PDF]
, 2019 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.
Blyuss, B +4 more
core +1 more source
Implementation of probabilistic approach to rock mass strength estimation while excavating through fault zones [PDF]
, 2019 Purpose. The paper addresses the rock mass state estimation while excavating a cross-heading through the area of regional fault “Bohdanivskyi” based on probabilistic approach to assessing the rock strength. Methods.
Babets, D +4 more
core +1 more source
Lower Dnipro Region Hileia in Antiquity Times
Eminak, 2021 With the discovery of Yahorlyk settlement, the Kinburn Peninsula has recently attracted a great deal of attention in studying the colonization process in the northern Black Sea region. In particular, the comparison of archaeological and ancient Greek literary sources with paleogeographic data makes it possible to restore the dynamics of changes in the ...
openaire +2 more sources
Deep Underground Science and Engineering, EarlyView.This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
Ancient people and living nature: A global perspective on archaeological areas and biodiversity
People and Nature, EarlyView.Abstract Archaeological sites are not only of cultural and historical significance but also contribute to biodiversity conservation. Often marked by limited human disturbance and distinct ecological conditions, these areas serve as important refuges for various plant and animal species, playing a vital role in global conservation efforts.
Antonio Romano +3 more
wiley +1 more source
Overview of technologies for constructing the facilities at the Dniester pumped storage power station [PDF]
, 2019 Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineering-geological conditions with the ...
Horbatiuk, Yu +4 more
core +1 more source