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Kirill Trapezon,Alexandr Trapezon
Pág. 12 - 18
Based on symmetry and factorization methods, a general analytical solution to the fourth-order differential equation has been derived for a problem on the free axisymmetric oscillations of a circular plate of variable thickness. The law of the thickness ...
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Mykola ?. Tkachuk,Andriy Grabovskiy,Mykola ?. Tkachuk,Mariia Saverska,Iryna Hrechka
Pág. 16 - 25
A significant share of structures includes the components that are in contact with each other. These include, for example, stamps, molds, machine tools, technological equipment, engines, etc. They are characterized by a varied load mode. Therefore, an im...
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Vyacheslav Savenko,Alina Kvatadze,Oleksandr Davydenko,Vitalii Stozhka,Leonid Ianchuk
Pág. 62 - 75
The processes forming the humidity mode of the drainage layer of a road structure under the action of excess load have been investigated. The stressed-strained state was determined based on a numerical experiment using the software-calculation suite SCAD...
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Andrii Bambura,Ihor Mel?nyk,Vitaliy Bilozir,Vasyl Sorokhtey,Taras Prystavskyi,Volodymyr Partuta
Pág. 34 - 42
In order to significantly reduce the weight of flat monolithic reinforced concrete floors, foundations, and other slab structures, construction operations have increasingly involved effective inserts as the separate articles made from relatively light an...
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Vitaly Kozhusko,Sergey Krasnov,Kateryna Berezhna,Serhii Oksak,Roman Smolyanyuk
Pág. 37 - 44
This paper reports a study into the distribution capacity of a flexible plate in different cross-sections exposed to the external vertical concentrated forces applied in any place of its area. A plate with one pinched side and a series of racks arranged ...
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Viktor Kostenko,Yaroslav Liashok,Olena Zavialova,Serhii Pozdieiev,Tetiana Kostenko
Pág. 54 - 62
The purpose of this paper is to improve the mechanism that forms an explosive environment within the workings' space from the accumulated coal dust, based on determining the dynamic deformations under the influence of an explosion in the material that co...
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Oksana Ulyanchuk-Martyniuk,Olga Michuta,Natalia Ivanchuk
Pág. 18 - 26
The influence of the biocolmation of the geobarrier for organic waste storage on the values of head drops has been investigated. A mathematical model of filtration of organic substances taking into consideration the biocolmation effect was formed. The ma...
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Olena Butska,Tetiana Nikiforova,Mykola Makhinko,Svitlana Shekhorkina
Pág. 14 - 25
The paper reports a study into the strength and deformability of the node that connects precast slabs and monolithic flooring joists in a flat precast monolithic floor based on the work of dowel pins. Current regulations for the design of reinforced conc...
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Viktor Aulin,Andrii Hrynkiv,Sergii Lysenko,Aleksandr Dykha,Taras Zamota,Volodymyr Dzyura
Pág. 6 - 16
Our research into the formation of a functional copper-containing surface layer on parts of automobile engines by using an alignment tribotechnology has established a decrease in the wear of parts during their operation. It was found that the formed coat...
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Larysa Yuzevych,Larysa Yankovska,Lyubomyr Sopilnyk,Volodymyr Yuzevych,Ruslan Skrynkovskyy,Bohdan Koman,Lyudmila Yasinska-Damri,Nell? Heorhiadi,Roman Dzhala,Mykhailo Yasinskyi
Pág. 23 - 29
A new criterion of strength and a set of informative parameters have been devised for modelling the stressed-strained state (SSS) of the underground metal pipeline (UMP) taking into consideration the system of defects of the cavity type, atop of which th...
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