bluuebunny/crossref_metadata_2025 huggingface dataset:
CONTROLLING IN THE SYSTEM OF MODERN ENTERPRISE MANAGEMENT
Authors: Bezuhlyi D. V. , Tiutiunnyk T. V.
Published: June 2023

The article examines the questions of the needs for improving the management system at a modern enterprise by introduction of controlling. In constantly changing economic conditions, the problem of the enterprise survival and prevention of its bankruptcy comes to be of primary importance. The controlling is an effective instrument of management, whereby it is possible to avoid negative and undesirable results
THE DETERMINATION OF THE VALUE OF DEPRECIATION OF BUILDINGS ON RAILWAY TRANSPORT
Authors: Gnennyi M. V. , Gnennyi O. M.
Published: June 2023

With development of market relations the increasing actuality, including on a railway transportation, questions of assessment of actives is obtained. Assessment of actives is necessary for their book keeping, selling, rent, deposit etc., and also for privatizations. Article is devoted to development of methods of determination of depreciation of the structures caused by their physical deterioration. In article the model for definition of suitability coefficient for structures in which performance of major repairs does not practice and is received, the net operational profit from which may be considered as a constant during term of useful use. It is revealed, that factors of cost deterioration in this case are: rate of discounting of investments in similar property, the general term of economic life of a building, a share of cost of liquidation in cost of replacement (reconstruction), residual term of economic life.
THE DEVELOPMENT OF A METHODOLOGY FOR DETERMINING THE PERFORMANCE OF ROLLING STOCK FOR PASSENGER TRAINS
Authors: Gnennyi O. M. , Sydorenko I. I.
Published: June 2023

A method of determining the rolling stock performance for a passenger train with the use of a database – a trains traffic schedule – has been proposed.
METHODOLOGICAL BASIS FOR DETERMINING MANAGEMENT STRATEGIES INVENTORY FROM THE PERSPECTIVE OF LOGISTICS
Authors: Koretska S. O.
Published: June 2023

The article represents a methodical kit, allowing for quantitative estimation, analysis and prognostication of different options for forming the strategy of the logistic inventories control system at an enterprise.
ENERGY USE AND ENERGY EFFICIENCY OF RAILWAY TRANSPORT OF UKRAINE
Authors: Malyshko I. V. , Malyshko L. I. , Pylypenko L. V. , Romanko V. I.
Published: June 2023

The article presents analysis of energy consumption for train traction purposes and for supplies of other consumers in railway industry ofUkraineduring the years of independence. It gives a separate analysis of energy-saving measures.
REACTIVE POWER COMPENSATION AND STABILIZATION OF THE OUTPUT VOLTAGE OF THE TRACTION SUBSTATIONS
Authors: Kolb O. O.
Published: June 2023

A vectorial principle of voltage inverter control has been offered on the basis of the unified spatial current/voltage vectors in the revolving system of coordinates for compensation of reactive power and stabilizing the voltage.
THE STUDY OF THE DEPENDENCE OF THE FLUX LINKAGE OF THE UNIT PERMANENT MAGNETS WITH THE COIL FROM THE LENGTH OF THE LAST
Authors: Novykov V. F. , Burilov S. V. , Voskoboinik V. E. , Dzenzerskyi V. O.
Published: June 2023

A research of the effect of coil length on the Fourier coefficients of decomposition of dependence of interlinkаge of the block of permanent magnets with the track structure coil on their mutual position is conducted. As a result of the research the dependence of Fourier coefficients on the coil length has been established, which allows to simplify optimization of design of a linear synchronous motor with excitation from a block of permanent magnets.
THE RATIONALE FOR THE USE OF STRAIGHT BLADES IN THE DESIGN PLEXUS TRACK WIDTH OF 1435 MM AND 1520 MM
Authors: Belarusians O. I.
Published: June 2023

The article substantiates introduction into the track structure of rectilinear tongues with various widths and the length of 8,300 mm instead of curved ones with the length of 6,515 mm with the aim of increasing the speed and safety of trains movement on a sideway direction of the set of tracks with the 1,435-mm gauge.
THE PARAMETERS OF DRIVE MOVEMENT OF THE BRIDGE CRANE DURING START-UP WITH TAKING INTO ACCOUNT ROLLING FRICTION OF THE WHEEL ON RAIL
Authors: Bondarenko L. N. , Raksha S. V.
Published: June 2023

An analytical dependence to determine the ratio of rolling friction has been proposed, with account of generally accepted mechanical characteristics of materials and the geometrical parameters of wheel and. This allows specifying the starting time of the bridge crane moving drive and the coefficient of coupling the working wheels with the rail.
THE METHOD OF CALCULATING THE ACOUSTIC FEATURES OF "RAIL - FOREIGN OBJECT"
Authors: Voitenko V. P. , Osenin Yu. I.
Published: June 2023

A calculation technique is suggested for the system of the rail track and a foreign body on its surface. The procedure allows calculating a decrease of the intra-rail acoustic signal amplitude affected by the presence of a foreign body on the rail surface depending on the body substance density and the speed of acoustic wave propagation in the body substance.
TO THE QUESTION OF THE ALIGNMENT OF THE RAILWAY TRACK WITH ITS REPAIRS
Authors: Yershova K. B. , Petukhovskyi V. V. , Petukhovskyi S. V. , Kholin O. Ye. , Yudin B. O.
Published: June 2023

Questions concerning various methods of lining of a track are stated, the comparative analysis of results of work of systems of lining of a track (ALC, «Navigator», MS VNIIZHT-MATESS) is resulted, prospects of use of a method of calculation of spatial position of a track realized in MS VNIIZHT-MATESS.
THE APPLICATION OF GROUP TECHNICAL SOLUTIONS ON THE BASIS OF GABION STRUCTURES TO STRENGTHEN THE SUBGRADE RAILWAYS
Authors: Frolovskyi Yu. K.
Published: June 2023

The article considers options of strengthening and protection from washing-outs of subgrades on the railroads of Russia and recommends an extensive use for the purpose of group technical solutions developed in the Moscow Transport Engineering Institute.
ABOUT OPTIMIZING THE PHASE VELOCITY OF PROPAGATION OF WAVES IN THE TRANSPORT STREAM
Authors: Gasanov Z. M.
Published: June 2023

The article proposes an algorithm of solving the task of synthesis of optimum dependence of the excitations distribution phase speed on the density of vehicles in a transport stream. The methods of the theory of optimal control are used for the purpose.
THE INFLUENCE OF PATTERNS OF REGENERATING LAYER ON THE STRENGTH OF PRESS-FIT CONNECTION AXLEBOX SITE ROLLING STOCK
Authors: Mykhalichenko P. Ye. , Kostin M. O.
Published: June 2023

The article describes results of experimental research of the coupling strength of rail rolling stock with a guaranteed tightness of the journal-box unit, the internal surface of whose internal rings of bearings was restored by electrolytic zinc-plating on the impulse-reverse currents. The comparative analysis has been conducted of structure of the restored layer and the strength of immobile couplings, whose rings were restored with the use of the proposed technology with those restored on a direct current and those not restored at all.
THE RATIO BETWEEN THE FORCES OF FRICTION WINDING AND ROLLING WHEELS OF THE CRANE: EXPERIMENTAL EVALUATION
Authors: Radkevych O. V. , Yakovliev S. O. , Bondarenko L. M. , Stepanenko O. O.
Published: June 2023

To determine the ratio of flange friction, the article proposes an experimental and analytical method, combining the analytical value for the rolling friction ratio and its experimental value obtained according to the law of oscillations damping in dry friction.The final experimental & analytical formula contains six parameters and permits to judge about their influence on the value of flange pressure upon the rail and to take the measures for its reduction.
IMPROVING THE SAFETY OF MOVEMENT OF TRAINS USING THE MAIN TANKS WITH LOUVERED SEPARATORS ON LOCOMOTIVES
Authors: Ripol – Sarahosi T. L. , Ripol – Sarahosi L. F.
Published: June 2023

The article considers issues of raising the rolling stock operational safety with the use of main reservoirs by jalousie separators. A mathematical model has been provided of a gas flow in a round pipe as it applies to the pneumatic systems of locomotives. Practical realization of the theoretical research for locomotives is presented in a design of a jalousie separator for the locomotive series VL80k.
ORGANIZATIONAL AND ECONOMIC BASES OF CONSTRUCTION AND RECONSTRUCTION OF OBJECTS OF TRANSPORT DESTINATION OF HIGH-SPEED RAILWAY LINES ORGANIZATION
Authors: Volkov Ye. I. , Chashyn D. Yu. , Dotsenko R. O.
Published: June 2023

The goal of the work is improvement of methodological and methodical principles of development of the estimation and planning systems, which is modelled with the use of system approach methods, as an integral part of the organizational and economical preparation to the construction of transport facilities and high-speed railway lines.
ABOUT THE TRANSFORMATION OF WATER BOILING IN MODE OF STEAM BOILER E-1/9-2G
Authors: Gorbulia P. H. , Kravets V. V. , Reva O. N.
Published: June 2023

The article presents one of possible directions of raising economic efficiency of the boiler-house in Dnipropetrosvk State Technical University of Railway Transport.
THE DEPENDENCE OF THE PARAMETERS OF THE CONSTRUCTION PROJECT FROM THE TECHNICAL AND ORGANIZATIONAL INFLUENCES
Authors: Klochko B. H.
Published: June 2023

Considered is the influence of such factors as technology of works production, organizational and technological schemes on the results: duration and cost of realization of construction projects. These factors are not adequately reflected in the existing traditional methodology of organizational and technological preparation and the effective normative documents. The estimations of cost and timeframe of construction project realization without account of these factors cannot be considered realistic.
THE DEVELOPMENT OF CONSTRUCTIVE FORMS OF ELEMENTS OF BRIDGES TO WORK UNDER SEISMIC EFFECTS
Authors: Kosiak V. M.
Published: June 2023

The article considers directions of development of structural forms of engineering provision of safety of railway bridges being designed and operated and reduction of their renewal costs after seismic impacts, resulting from natural causes or human activity.
THE CONDITION OF JOINTS DEFORMATION FOR ROAD BRIDGES
Authors: Kosiak V. M. , Kovalchuk V. V.
Published: June 2023

The article makes analysis of the state of deformation joints in autoroute bridges and their influence on the general condition of the facilities, gives historic summary of the development of deformation joint constructions, formulated basic requirements to the present-day designs, and systematizes basic factors determining the choice of designs of deformation joints.
EFFECTIVE COMPOSITION FOR CONCRETE SLABS OF HOLLOW-CORE FLOORING CONTINUOUS FORMATION
Authors: Netesa N. I.
Published: June 2023

The article considers opportunities of local materials use for manufacture of hollow flooring plates and other pre-stressed modular elements by the method of continuous formation. One of the basic features of this technology is a necessity of use of rigid concrete mixes. Out of these mixes there should be obtained concretes of sufficient strength, excluding possibility of sliding through of the pre-stressed wire.
THE PATCH-TEST MODEL OF LAYERED SOIL FOUNDATIONS OF FINITE ELEMENT METHOD
Authors: Petrenko V. D. , Selykhova T. O. , Tiutkin O. L.
Published: June 2023

The article presents practical recommendations on application of patch-test of finite element model of the stratified soil bases.
ECO ADDITIVES AND THEIR USE IN CONCRETE PRODUCTS
Authors: Pshinko O. M. , Savin L. S. , Savin Yu. L. , Fedorkin S. I. , Prykhodko O. P.
Published: June 2023

The work provides classification chemical destruction on the concrete, are features some approximate calculations of three-component composition (cement, sand and large-size filler), as well as outlines optimum amounts of environmentally safe additives.
THE GENERAL PRINCIPLES OF THE FORMATION OF DISTRIBUTIVE RELATIONS IN UKRAINE AT THE MACROECONOMIC LEVEL
Authors: Alekseeva A. Yu.
Published: June 2023

The article discusses the issues of allocation of profits, and the problem of poverty related thereto. It examines the problem of middle class and is complemented by the analysis of statistical data. Attention is paid to the role of state in the system of profits allocation.
A COMPLEX SYSTEM OF TRANSPORT SERVICE AS AN EFFECTIVE WAY OF DELIVERY
Authors: Andriienko M. M.
Published: June 2023

The article is devoted to the issues of intermodal transport services, introduction of a complex system of transport service with the use of logistic systems in the operating costs management.
THE RATIONAL STRATEGY OF UPDATE PASSENGER CAR FLEET IN TERMS OF INVESTMENT DEFICIT
Authors: Barash Yu. S.
Published: June 2023

Research results have been provided regarding renovation of passenger rolling stock on account of major restoration repairs. The optimal options of extension of the passenger cars life cycle and the venues of its implementation (depot or factory) have been substantiated.
THE INFLUENCE OF THE STATE OF CORPORATE GOVERNANCE IN MODERN SOCIAL-CLASS STRUCTURE OF THE SOCIETY OF UKRAINE
Authors: Bobyl V. V. , Khudenko O. V.
Published: June 2023

The article raises the issue of establishment of present-day social and class structure of the society. An economic characteristic of the existing classes is provided. It has been noted that this process is dialectically connected with the state corporate management.
THE FORMATION OF THE ECONOMIC STRATEGY OF THE ORGANIZATION (FOR EXAMPLE, EDUCATIONAL INSTITUTIONS)
Authors: Bychkova H. M. , Sorokoletova L. O. , Kovtun O. O.
Published: June 2023

In present-day economic conditions the activities of each economic entity is in the centre of attention of a wide circle of participants of market relations (legal and physical and persons), interested in the result of its functioning. The basic tool for an estimating the financial state of an enterprise is such kind of analysis which makes possible to estimate objectively the internal and external relations of the object being analyzed: to describe its solvency, efficiency and profitability of its activities, the prospects of development, and then, judging from the results, to make grounded decisions. The financial analysis enables to estimate the proprietary state of the enterprise, the degree of entrepreneurial risk, sufficiency of capital for current activities and long-term investments, the needs of extra financial sources, the validity of its income distribution policies.
A SYSTEMATIC APPROACH IN THE DEVELOPMENT OF EDUCATION
Authors: Harashchuk Ye. V.
Published: June 2023

The article shows the usage of systems approach, provides the summarizing tree of aims of building the education system in Ukraine.
THE IMPACT ON RETURN ON ASSETS CHANGES IN ASSETS AND PRODUCTIVITY
Authors: Hromova V. V. , Zadorozhnia O. M. , Romanko V. I.
Published: June 2023

The article examines the index of capital productivity and the efficiency of use of fixed assets of a railway. There have been used performances of a selected railway, and estimation has been made of the change of capital productivity resulting from the increase of capital/labour ratio as a primary factor affecting the capital and labour productivity. Quantitative dependence of capital productivity has been studied separately from each of the factors, and then – jointly, by way of correlation-regressive analysis. In writing the article there have been used main performances of a railway operation during a seven-year period, and the method of relative numbers.
DYNAMICS OF UKRAINE'S ECONOMIC DEVELOPMENT AND ECONOMIC GROWTH MODELS
Authors: Holovynova H. M.
Published: June 2023

In article considers topical issues of the quality of economic growth. In modern conditions the processes of economic development require passing from extensive levers of reforming economy and state regulation to intensive ones, which would stimulate private initiative and investments.
ECONOMIC AND LEGAL ISSUES OF REFORMING PROPERTY RELATIONS AND FORMS OF MANAGEMENT IN THE FIELD OF RAILWAY TRANSPORT
Authors: Deineka O. H. , Cherevatenko O. M.
Published: June 2023

The article considers economic prerequisites of the normative basis for reforming the property relationships and the forms of economic activities on the railway transport. It describes the directions of ongoing reformation process of the railway transport in Ukraine and makes a special emphasis on the aspects of reforming which require further research and practical realization.
SOCIAL AND ECONOMIC AND LABOUR MARKET REGULATION IN UKRAINE (METHODOLOGICAL ASPECT)
Authors: Klochko O. O.
Published: June 2023

This article is devoted to methodology of regulation of macroeconomical processes on the labour market.
THE CRITERION OF DISTINGUISHING BETWEEN THE INFRASTRUCTURE AND TRANSPORT ACTIVITIES ON THE RAILWAYS OF UKRAINE
Authors: Malakhova N. B.
Published: June 2023

The criterion of division of railway transport into two sectors is the peculiarities of the commodity markets, whereon the railway enterprises work. It has been proved that the forms of organization of these two markets for the society are profitable in different ways: the railway infrastructure should be organized as a uniform monopoly enterprise, while the transportation services should be shaped as a set of enterprises, competing among themselves. There has been offered a mechanism of price control of the monopoly enterprise on an equilibrium level of marginal and average costs. An example of average costs calculation has been provided as a base of tariff for a thread of schedule.
ECONOMIC RESEARCH OF WORKING CAPITAL
Authors: Myroshnyk N. V. , Miniaiev A. O.
Published: June 2023

The concept of «working capital» has been determined. It has been established that in conditions of market economy for efficient management a formation of normative base is necessary, which will permit to carry out the control of resource and financial flows. This is needed for optimization of the stocks level and minimization of the working capital invested thereto. Peculiarities of the economic research point on the necessity of use of variable and constant potions of the working capital, and their expenses and returns can be classified as per the centres of responsibility. All these expenses are adjusted at a certain administrative level.
PROBLEMS OF A METHODOLOGICAL APPROACH CONCERNING THE DEVELOPMENT OF LEASING IN RAILWAY TRANSPORT
Authors: Pozdnyakova L. A. , Zhuravleva Ye. N.
Published: June 2023

The article examines practicability of use of leasing operations on the railway transport in the conditions of market economy, singles out the problematic issues and economic advantages of leasing agreements, substantiates the expediency of use of leasing mechanisms as is proved by experience of Russian railways.
THE USE OF MANAGEMENT ACCOUNTING IN RAILWAY TRANSPORT
Authors: Polishko T. V.
Published: June 2023

The article is devoted to distribution of general operational costs, which is an important aspect of the expenditure analysis for managerial decision-making.
TO THE QUESTION OF IMPROVING THE SYSTEM OF MANAGING WITH STATE CORPORATE RIGHTS
Authors: Radionova N. V.
Published: June 2023

The article considers the issues and main directions of improvement of the system of management of the state corporate rights in the present-day market conditions of Ukraine.
THE LAW OF THE MINIMUM OF THE TRANSPORT PRODUCT
Authors: Sych Ye. N. , Kislyy V. N.
Published: June 2023

The article is devoted to research of the principles of constructing transport tariffs from the position of influence on the transported freight (the passengers) of transport conservative and external disturbing forces (not foreseen by the transportation process).
CARGO INSURANCE AS A KIND OF PROPERTY INSURANCE
Authors: Shylo L. A.
Published: June 2023

The article deals with theoretical issues of property insurance. Attention is paid to the freight insurance as one of the kinds of property insurance and the problems, arising in modern Ukraine in the process of development of the insurance business.
THE ORGANIZATION OF RAILWAY WORKERS: A QUESTION HISTORY
Authors: Yurmanova Ye. A.
Published: June 2023

The history of development of railway transport workers’ cooperative societies in the first decades of the Soviet state construction is illustrated in this article. Pre-revolutionary independent railway transport workers cooperative societies grew into powerful ones and included almost the whole railway network of the former Russian Empire. They were predecessors of the railway transport movement of the workers’ cooperative societies in the desribed period.
THE MATHEMATICAL MODELING OF THE PROCESS OF WASHING AERATION ZONE
Authors: Biliaev M. M. , Kalashnikov I. V.
Published: June 2023

A numerical model to calculate the process of soil protection from pollution with the use of neutralizator has been proposed. The model is based on the equation of admixture transfer. The results of numerical experiment are presented.
THE ACCOUNTING OF ENVIRONMENTAL MANAGEMENT ISSUES IN THE PROCESS OF HARMFUL ENTERPRISES RESTRUCTURING
Authors: Mamchuk I. V.
Published: June 2023

In this article the account of ecological management issues during conduction of restructuring an ecologically harmful enterprise is considered. In the implementation of ecological management it is required to take into account an ecological passport, which allows analyzing in detail the ecological situation taking place at an enterprise. The mechanism of ecological management during the process of restructuring is considered.
THE USING OF LOGISTIC TOOLS FOR EFFECTIVE USE OF THE TRANSIT POTENTIAL OF UKRAINE
Authors: Dykan Ye. V.
Published: June 2023

Development of transit, logistics and containerization characterizes the state of the modern national transport system. Thus the development of one of directions, for example transit, has served by a stimulus to expansion of process of cargo containerization, and this, in its turn, has forced to think about building of container terminals. For this reason the problems of transit, logistics and containerization must be considered in a complex. In the article the attempt to select separate directions is done.
THE STUDY OF THE SPECIALIZATION SORTING RUTS INFLUENCE ON THE DURATION OF OPERATIONS ON THEIR PREPARATION FOR THE DETACHING
Authors: Kozachenko D. M. , Vernyhora R. V. , Berezovyi M. I.
Published: June 2023

For modeling of the trains accumulation process on marshalling tracks the special simulation model is designed. The model is used for study of the influence of specialization of marshalling tracks on duration of the operations for liquidation of «windows» between cars on marshalling tracks.
THE METHOD FOR SIMULATION OF CONTINUOUS FUZZY VALUES BASED ON EXPERIMENTAL DATA
Authors: Andryushchenko V. O.
Published: June 2023

Based on the fuzzy modeling of railway operation processes, the issues of forecasting wagons movement periods have been considered.
THE MODELING OF THE DEPENDENCE OF THE CONSOLIDATED BUDGET OF UKRAINE FROM THE AGGREGATE TAX RATE
Authors: Myhailova T. F. , Pyskunova O. V. , Zaikin A. A.
Published: June 2023

The Laffer curve for the economy ofUkraineon the basis of statistical data for the period from 1998 to 2006 has been constructed. Comparison of the average value of total nominal tax rate fixed inUkrainewith the optimum rate calculated by us has shown that the value obtained for optimum total nominal tax rate is four times less than the one established in Ukraine.
THE INFLUENCE OF DISTURBED TONNAGE AND PLAN LINE ON SPENDING DURING THE LINE KEEPING TRACK
Authors: Kurgan M. B. , Chernyshova O. S.
Published: June 2023

The research results regarding the change to expenses of materials for the current rail track maintenance are presented.
THE STUDY OF RESIDUAL TOXIC SPILLS OF GASOLINE FRACTIONS BY THE BIOTESTING
Authors: Zelenko Yu. V.
Published: June 2023

To develop further recommendations on the use of phytoremediation process for final cleaning of soils from light fractions of petroleum products the residual phytotoxicity of soils contaminated with petrol fractions has been studied.
THE COMPARATIVE ANALYSIS OF THE ESTIMATION EFFICIENCY METHODS OF INVESTMENT PROJECTS IN TRANSPORT
Authors: Vyshniakova I. M.
Published: June 2023

The methods of estimation of efficiency of investment projects are considered in the paper. The criterion of choice of optimum project is offered. The tasks of distribution of investments between railways are considered.
THE INFLATION IMPACT ON THE ECONOMIC DEVELOPMENT OF SOCIETY
Authors: Vlasiuk V. Ye.
Published: June 2023

The article is devoted to theoretical-methodical problems of the study of factors of influencing the inflation processes on the economic development of society. The author has analyzed the state counter-measures to neutralize the negative effects of inflation.
THE METHOD OF STRUCTURAL TRANSFORMATION OF STOCHASTIC NETWORKS FOR THE GERT-MODELING OF TECHNOLOGICAL AND ECONOMIC PROCESSES
Authors: Andryushchenko V. O. , Skalozub V. Vl.
Published: June 2023

The method of structural transformation of graphs of stochastic networks is developed, which extends an application sphere of GERT-models for the analysis of casual economic and technological processes.
THE COMPLEX POLYFUNCTIONAL MODIFIERS INFLUENCE ON THE CORROSION OF THE REINFORCEMENT IN THE CONCRETE
Authors: Nikiforova N. A.
Published: June 2023

In the article the mechanism of metal corrosion and the influence of complex polyfunctional modifiers on corrosion resistance of steel framework in the concrete is examined.
THE PROBLEM OF THE QUALITY PROVIDING OF THE RAILWAY TRANSPORT OBJECTS
Authors: Pshinko O. M. , Netesa M. I. , Krasniuk A. V.
Published: June 2023

The issues of providing the quality of construction of railway transport objects, organization of works on putting them into operation are presented.
THE STUDY OF WEAR AND REVIEW DESIGNS OF THE FRICTION WEDGES TO SELECT THEIR RATIONAL CONFIGURATION
Authors: Artamonov Ye. I.
Published: June 2023

The paper is devoted to estimate of wear rates of working surfaces of the frictional wedges from cast iron СЧ25 according to the survey results at ordering them to depot repair. The insufficient wedge resistance to wear is demonstrated. To create a new design the review and analysis of Russian and foreign models are performed.
THE STRENGTH OF THE CONNECTION PARTS WITH GUARANTEED STRETCH, RECOVERED THE BALL FLOOR
Authors: Artemchuk V. V.
Published: June 2023

The article deals with description of the results of experimental studies of strength of joints with guaranteed tightness for details restored with electrolytic layered coatings by means of programmed electrolysis. The comparative analysis of restored layer structure and strength of stationary joint, which samples were restored according to the technology developed, with the samples restored with direct current and the ones not restored at all is conducted.
IMPROVING OPERATING PERFORMANCE THROUGH MODERN TRAINING SOLUTIONS
Authors: Bartak J. , Schwerdtfeger M. , Pometko S.
Published: June 2023

Located in the heart of theGrenoblescientific and technological polygon, CORYS T.E.S.S. specialises in the design and production of simulators for training and studies in the energy and transport sectors. CORYS T.E.S.S. also offers training and study services and provides complementary training tools to simulators (multimedia, elearning). CORYS T.E.S.S. is a leading supplier of driving simulators for rail and urban transport with over 350 simulators operational world-wide. This article presents the different types of training simulators used in the rail and urban transport sector and the benefits they provide for improved operations and more effective training. Some recent simulator market trends and design issues that have emerged from the changing requirements of train operators and available technology are discussed.
THE STUDY OF THE DYNAMIC PROPERTIES OF THE ARTICULATED FLAT-CAR ON MATHEMATICAL MODELS
Authors: Rudakova E. O. , Orlova A. M.
Published: June 2023

The paper is devoted to the study of dynamic qualities of combined tractive connection of two18 mplatform wagons with installing the removable equipment for transportation of three 40-foot containers developed by the JSC «NVTs «Vagony» according to order of the JSC «TransContainer». The calculations performed allowed determining the schemes of loading ensuring the normative indices of running qualities and traffic safety.
The use of thermoelectric modules in air conditioners of the evaporated type
Authors: Tytarenko I. V. , Khrystian Ye. V.
Published: June 2023

The existing scheme solutions of the combined vaporizing air conditioning are considered, proposal for a solution by the thermoelectric unit is performed. The mathematical model and the experimental unit are presented.
The impact of the increased speed of trains on the losses associated with the wear gauge infrastructure
Authors: Korzhenevych I. P. , Kurhan M. B. , Barash Yu. S.
Published: June 2023

An influence of the increase of speed of train movement on the expenditures related to wear of rail infrastructure is considered.
Energy savings of the actuators operation on the enterprises for repair of railway equipment
Authors: Marenych O. O.
Published: June 2023

In this article the following problem has been considered: ways of efficiency increase for electric drives installed at the railway machinery repair enterprises taking into account the specific conditions of technological processes.
The study of the temperature of the heating disc brakes of passenger car during the adjusting the braking
Authors: Vodiannikov Yu. Ya. , Grechko O. V. , Stoletov S. O.
Published: June 2023

Results of research of the brake disk heating temperature under the brake shoe lining during the regulating braking of a passenger train are presented. It is established that the greatest temperature in the disk arises at an exit of a brake shoe lining on a direction of the wheel pair rotation, and its value depends on pressure in the brake cylinder (correlation factor 0.556) and braking time (correlation factor 0.331), the correlation factor for speed in the beginning of regulating braking was equal to 0.135.
Structural changes in carbon steel for a long exposures at subcritical temperatures
Authors: Vakulenko I. O.
Published: June 2023

The spheroidization and coalescence of the carbon steel cementite depend on formation of new boundary surfaces and displacement of existing ones.
The analysis of the defects causes on the surface of the rolling train wheels
Authors: Vakulenko I. O. , Perkov O. M. , Anofriev V. H. , Krot V. S.
Published: June 2023

The destruction occurrence in a railroad wheel is caused by formation of the high local stresses produced by the inhomogeneous elastic-plastic deformation when the cyclic temperature change takes place during and after braking using brake shoes.
The savings of wagon-hours accumulation of cars when forming the duograph trains
Authors: Bozhko M. P. , Mazurenko O. O.
Published: June 2023

A solution of the task of evaluation of the wagon-hours economy of wagons demurrage at a marshalling yard when making up the particular two-unit train compared to making up the one-unit trains is proposed. A formula for determination of the reduction of wagons demurrage in conditions of accumulation at a station of formation is obtained.
The improving of the transit system of the car traffic volume
Authors: Yerofeev O. O.
Published: June 2023

Directions of optimization of train formation system are considered. The parameters describing transit traffic at statement of a problem of increase of range of purposes are established. Problems of increase of transit traffic for a station level are allocated. The technique of definition of potential transit traffic for linear range is considered. It is given a number of variants of train formation raising the transit traffic and its description is given. As criteria efficacy allowing to make comparison of various variants of train formation, it is offered to use term of delivery of correspondence to stations of destination and an expenses for delivery of correspondence from stations of train formation to stations of destination. Variants of formation of purposes are considered. Possible variants of a combination of correspondence in purposes are given. It is established superposable restrictions on variants of train formation: time for delivery of correspondence and the maximal number of purposes that simultaneously can be collected at the station.
The study of conducting trains modes, with taking into account the value of active and reactive power
Authors: Ivanov O. P.
Published: June 2023

The improved computation model for traction modes which takes into account the cost of both active and reactive energy in the conditions of application of variable tariffs for payment of electric power is developed.
Research and development of the identification/authentication complex in information systems
Authors: Ostapets D. O. , Lapin V.
Published: June 2023

The identification / authentication subsystem architecture of information systems is considered; the analysis of their demerits is done. Advisability of using the onetime passwords generation systems is shown. The software complex of onetime passwords generation is described; the research of their characteristics (the time window and hardware requirements) is performed.
The probabilistic assessment of causality in the construction of railway vehicles
Authors: Prykhodko V. I. , Bosov O. O. , Myamlin S. V.
Published: June 2023

In the article the substantiation of existence of causconsequence relation between different elements of railway vehicles is presented. The probability assessment of mutual relation between technical conditions of separate elements is also presented.
The improvement directions of soil compacting machines and technologies of their application for seal structure
Authors: Glavatskyi K. Ts.
Published: June 2023

The directions of combining the working members of soicompressing machines and technologies of their application for speeding up the effective compression of soil in the foundation of track are presented.
Another way of looking at the history of the wheel and technical aspect
Authors: Radkevych A. V. , Bondarenko L. M. , Yakovlev S. O.
Published: June 2023

The history of wheel in an initial period of its development from a viewpoint of physical possibilities of the animals domesticated by a man is traced. It is proved that coming from the last achievements of wheel age the history of humanity must be revised.
The calculation of safe time work of spans largest accumulated wear problems
Authors: Haniiev I. H.
Published: June 2023

Approximate formulae for the residual resource of spans in dependence on the wear accumulated are determined.
Modern aspects of bridges monitoring
Authors: Kazakevych M. I.
Published: June 2023

The major concepts of the elaboration and realization of the bridge construction monitoring systemic approach are presented in this paper. The main peculiarity of the bridge monitoring modern aspect is pointed out here, namely, the transition from the demands of providing the reliability to the demands of providing the whole complex of the structure consumer qualities. The criteria of diagnostics of the bridge exploitation reliability as the fundamental aim of monitoring are formulated here.
The development of the chemical composition of the economy doped chrome and manganese iron for lining the feed chute and the end walls of the gondola hopper 22-471 carrying the abrasive materials
Authors: Kovalenko V. V.
Published: June 2023

In the article the optimization of chemical composition of the wear-resistant economically alloyed Cr-Mn cast irons microalloyed with aluminum is realized by means of the quasi-D-optimum plan оf Pesochinski over the mechanical and microstructural parameters, which characterize the operational properties of alloys.
Design and calculation of the connection reinforcing bars crimping sleeves
Authors: Luchko Y. Y. , Pentsak A. Ya. , Pelekh R. Ya.
Published: June 2023

The problem of connection of high-strength carbon and thermomechanically strengthened reinforcements is considered in the paper. The analysis of results of previous investigations from world practice is conducted. The construction of connection is offered and the research of the beam reinforced concrete elements reinforced by the combined reinforcement on durability, crack-durability and deformations is conducted. This research showed the expedience of such a connection and reliable working capacity of the reinforced concrete constructions reinforced by the combined reinforcement.
Numerical analysis of stress-strain state of the railway embankment with options for strengthening its design
Authors: Petrenko V. D. , Huzchenko V. T. , Tiutkin O. L.
Published: June 2023

In the article the results of numerical analysis of tensions and deformations of railway embankment with the variants of its strengthening by reinforced concrete plates and compensative layer are presented.
SIMULATION OF DYNAMIC INTERACTION BETWEEN THE BODY OF THE PASSENGER CAR AND TRUCKS
Authors: Prykhodko V. I. , Myamlin S. V.
Published: June 2023

The results of mathematical simulation of spatial oscillations of passenger coaches for determination of forces of dynamical interaction of bodies and bogies, which are used in determination of dynamic run and strength characteristics, are presented in this paper.
TO THE QUESTION ABOUT THE USE OF DC TRACTION MOTORS SYSTEM OF THE ELECTRIC ROLLING STOCK OF THE RAILWAYS
Authors: Dubynets L. V. , Marenych O. L. , Mukha A. M.
Published: June 2023

Issues of expediency of using the DC traction engines on multi-system electric railway rolling stock are considered in the paper.
The study of the process parameters of the injection of polymer mortar
Authors: Pshinko O. M. , Krasniuk O. V. , Ulchenko T. V.
Published: June 2023

The theoretical justification of research of injection parameters and setting the regime of mortar motion in a pipeline by compressed air jet is presented.
Organizational and technological solutions for devices bored piles in water saturated soils
Authors: Radkevych O. V.
Published: June 2023

In the paper the materials of research of technology and organization of mounting the drilling-and-filling piles in water-saturated soils are presented.
The end-graph approach to solving problems of the dynamics of beam structures
Authors: Raspopov O. S.
Published: June 2023

On the basis of a linear graph theory, a method of initial parameters and associated matrices the universal analytical approach to calculation of free and forced vibrations of rod constructions is offered. A formal one-to-one correspondence between the structure of a construction and the structure of obtained equations is shown. Features of representation of the graph for modeling of joint vibrations of rod systems are researched.
The innovative approaches to the design of supports and reinforcement of the deep mine shaft
Authors: Stradanchenko S. H. , Prokopov O. Yu. , Pleshko M. S.
Published: June 2023

Disadvantages of the combined chart of building vertical shafts are considered. New solutions in planning of shafts are offered.
The development of methods and techniques of application, spraying concrete in a thin stream into the underground construction in Germany
Authors: Schperfekhter E. , Borshhevskyi S. V.
Published: June 2023

The procedure, technology and technique of erection of concrete timbering by the spill-concrete method are developed for conditions of mines in Germany.
THE CALCULATION OF THE FORMATION OF EXPLOSIVE CONCENTRATIONS INDOORS IN CASE OF EMERGENCY GAS LEAK
Authors: Zayats Yu. L. , Beliaieva V. V.
Published: June 2023

The 3D numerical model to simulate the toxic gas dispersion in industrial room after accident ejections was developed. The model is based on the K-gradient transport model and equation of potential flow. The model permits to calculate the time of appearance of concentration when the blast can take place. The results of numerical experiment of air pollution in industrial room are presented.
THE DESIGN PRINCIPLES OF LIQUIDATION ACTIVITIES OF SPILLS ON THE RAILWAY LINES
Authors: Zelenko Yu. V. , Zhui Chzhu , Pustovarova T. M. , Yaryshkina L. O.
Published: June 2023

The principles and requirements to development of elimination measures after emergency emissions of dangerous freights are considered. The structure and mechanism of interaction of state and departmental divisions on elimination of accident aftermaths are presented.
THE INFLUENCE OF SOME DEFECTS OF BRIDGE STRUCTURES ON THEIR OPERATIONAL DURABILITY
Authors: Bilchenko A. V. , Kislov O. H.
Published: June 2023

The drawbacks of organizational and technical means of bridge construction and operation in Ukraine are presented. A problem of the primary impact of hydroisolation and water-disposal on occurrence of defects in loadcarrying bridge structures is raised.
AN ESTIMATE OF USABILITY ELEMENTS OF SPANS
Authors: Haniiev I. H.
Published: June 2023

The approximate estimate of operational usability of elements of spans is determined in the paper.
ABOUT THE ROLE OF LIVING MATTER IN CONCRETE SCIENCE
Authors: Savin Yu. L. , Prykhodko O. P. , Savin L. S.
Published: June 2023

The issues defining a role of living matter in the knowledge about concrete are revealed in the paper. The data about the ecological system and the biomass volume are presented. The mechanism of influence of living matter on formation of concrete properties is given.
THE INFLUENCE OF CARS ACQUISITION PARAMETERS ON THEIR IDLE HOURS ON MARSHALLING YARD
Authors: Muzykina H. I. , Bolvanovska T. V. , Zhorova Ye. M.
Published: June 2023

This paper is devoted to the problem of accumulating the train sets at a sorting station. An analysis of three specific processes of accumulating the train sets has been performed taking into consideration their varieties. The calculation formulas for wagon-hours of such an accumulating according to each scheme are given. The dependence between the train set accumulation parameter and the quantity of wagons in the train set that is departing from a station has been determined. It has been also determined the influence of the above mentioned parameter on the duration of lost time of wagons at a sorting station.
PROBLEMS OF NATIONAL TAX PLANNING
Authors: Kalambet S. V. , Pieshykov H. R.
Published: June 2023

The matter and contents of the planning of state tax policy have been analysed, the place of control of tax risks as the integral part of the tax management is reflected.
ADHESIVE WEAR MECHANISM AT FRICTION
Authors: Artemchuk V. V. , Hrichanyi M. A. , Lemeshev O. V.
Published: June 2023

The questions of mechanism of adhesion wear are considered in the article. The action of this type of wear is presented on the example of work of spring-friction shock absorber.
THE EVALUATION OF THE STRUCTURAL FEATURES IMPACT OF THE LOCOMOTIVE TRACTION DRIVE ON THE STRESS STATE OF ITS ELEMENTS
Authors: Bondarev O. M.
Published: June 2023

In the article the research results on determination of levels of loading and stresses in the tractive drive elements, which can appear in operation conditions, under different variants of the tractive gear. On the basis of calculations executed the recommendations re. parameters of tractive gear elements, when their strength is provided, are put forward.
CALCULATION RESEARCH OF THE BRAKING EFFICIENCY IMPROVEMENT OF A FREIGHT CAR WITH SEPARATE BRAKING TRUCKS
Authors: Donchenko O. V. , Vodianikov Yu. Ya. , Safronov O. M. , Sheleiko T. V.
Published: June 2023

The results of design analyses concerning the selection of reduction ratio values are presented. The braking effectiveness and performance of a freight wagon with the separate braking of the bogies meet the normative requirements at these reduction ratio values.
THE CONDITIONS FOR COMPENSATION OF MECHANICAL AND MAGNETIC POWER LOSSES WHILE MUTUAL LOADING TRACTION OF ELECTRIC MACHINES ACCORDING TO THE SCHEME OF POTIER
Authors: Afanasov A. M.
Published: June 2023

The conditions of compensation of magnetic and mechanical losses during the test of hauling electric machines according to the Potier’s chart are considered.
THE ANALYSIS OF STEADY VOLTAGE ON THE ACCESSION OF DC TRACTION SUBSTATIONS
Authors: Sychenko V. H. , Bosyj D. O.
Published: June 2023

Research results of voltage modes at traction substation buses in primary, regional and traction network are presented in the article. Numeric characteristics of probability density distributions are obtained. Autocorrelation functions of positive and negative sequence voltages are analyzed.
THE METHOD OF DETERMINING THE CRACK IN REINFORCED CONCRETE T-BEAM PROFILE
Authors: Luchko Y. Y. , Ivanyk Ye. H.
Published: June 2023

In the paper the method for determination of the width of crack opening of the ferro-concrete beam of the teeform profile in dependence on the shelf and wall geometrical sizes, external load and reinforcement percent is described.
COMPARATIVE ANALYSIS OF THE STRESS-STRAIN STATE OF THE TWO VARIANTS OF REINFORCEMENT DESIGN SUBGRADE
Authors: Petrenko V. D. , Huzchenko V. T. , Tiutkin O. L. , Alkhdur A. M. M.
Published: June 2023

In the article the results of comparative analysis of two variants of the ground bed strengthening are presented. The mathematical simulation conducted on the basis of finite-element method has given a possibility to testify that both variants of strengthening influence positively on the stressed-and-strained state of the ground bed.
THE USE OF GRAPHS AND AUTOMATA TO THE CALCULATION OF DISCRETE AND CONTINUOUS BEAMS VIBRATIONS
Authors: Raspopov O. S.
Published: June 2023

The topological models for longitudinal and torsional oscillations of rod structures with various concentrated inclusions in distributed mass, stiffness of elastic medium and rod stiffness are done. The high efficiency of application of theory of graphs and automations into calculations of free oscillations of discrete-continual beams is shown.
THE PARAMETER OPTIMIZATION MODEL OF INVESTMENT AND CONSTRUCTION PROJECTS AND MANAGERIAL FEASIBILITY OF THEIR BEHAVIOR
Authors: Uvarov P. Ye.
Published: June 2023

In the article the basic problem of substantiation of parameters of optimization model of organizationaltechnological solutions for investment-building projects in the system of project management is considered.
OPTIMAL CHARACTERISTICS SUBSTANTIATION OF THE OPTICAL CHANNEL MEASUREMENT OF MECHANICAL PARAMETERS OF THE ELECTROMAGNETIC RELAY
Authors: Bondarenko B. M. , Razghonov A. P. , Profatilov V. I.
Published: June 2023

The scientific substantiation and choice of optimum characteristics of the optical channel for measurement of dynamic characteristics of an air backlash change between the relay armature and core that allows automating a process of measurement of mechanical parameters of the railway automatic relays are presented in the paper.
A SUITABLE CONTROL SCHEME FOR THE BINARY MULTIPLIER DATA BANK OF VLSI CAD
Authors: Tymoshkin O. I.
Published: June 2023

Problem of elaborating a databank of testable digital elements, units and modules, which are most typical for digital systems, is considered. For this bank an original testable logical circuit of matrix binary multiplier, demanding small amount of hardware for its realization, is proposed.
INTERVAL OBJECTS AND THEIR GRAMMATICAL STRUCTURE
Authors: Ilman V. M. , Skalozub V. V.
Published: June 2023

In the article the structures of free interval objects and formal interval grammar are constructed. The grammar structure takes into account the condition of interval compatibility in the chain constructions of language generated.
MONOMIAL (1, 0,-1) MATRIX OF THE FOURTH ORDER, ISOMORPHIC TO THE GROUP OF QUATERNIONS
Authors: Kravets V. V. , Kravets T. V. , Kharchenko O. V.
Published: June 2023

A set of direct and inverse elements are examined and compared with a four-dimensional orthonormal basis. The aggregate of even substitutions of fourth power as a product of two transpositions are formed on this finite set. The finite set of substitutions is represented by monomial (1, 0, –1)-matrices of fourth order. An isomorphism of quaternion group and two noncommutative subgroups of eighth order is determined. Properties of four aggregates of basic matrices, corresponding to quaternion matrices, are examined.