57 articles in this issue
V. I. Prykhodko,S. V. Myamlin
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 th... see more
V. I. Bobrovskyi,O. V. Kudriashov,L. O. Yefimova
The procedure of determination of disintegration matrix of the uncoupled parts of a train has been developed. The statistical analysis of a number of disintegrations and its connection with a number of the uncoupled train parts has been also perform... see more
Yu. Ya. Vodiannikov,M. I. Yalanskyi,K. L. Zhykhartsev
Results of research of distribution of pressure forces of the brake blocks on wheels during braking in dependance on arrangement of the wheel pair on a freight car are presented. Statistical characteristics of values of the pressure forces for loaded and ... see more
Yu. Ya. Vodiannikov,M. I. Yalanskyi,A. I. Shvedov
The results of research of brake system for the model 61-779 of a passenger car manufactured by JSC «KVBZ» for the period from 2001 to 2006 are presented. It is shown that at the existing gear ratio of a brake lever transmission the passenger car brake ef... see more
I. Yu. Potapchuk,V. P. Koval
The numerical solutions of the working equations of motion amount, continuity, state and energy are represented in this work. The speed, temperature, pressure, and density distributions in a combustion chamber at the air compression have been determined. ... see more
O. I. Skokov,L. V. Bespalova,O. H. Diachenko,D. L. Politaieva,T. S. Skorykova
The works on creation of the design, production technology and testing procedures for large-sized power rubber technical products making up a set of the bogie for a passenger coach are performed.
S. V. Shmakov
The problem of reduction of the long-term traffic noise effect on the person in coach passenger spaces is examined. The method of solving the problem is offered. The corresponding calculations and analysis of results are performed. The functional diagram ... see more
Yu. P. Honcharov,M. V. Panasenko,V. M. Kozachok,V. V. Zamaruiev,V. V. Ivakhno,S. Yu. Kryvosheiev,O. I. Semenenko
The power supply system of a contact network using a longitudinal line with points of communication without transformer is considered. The approach allowing to facilitate power filters and the way of switching of in-series connected semiconductor switches... see more
L. V. Dubynets,O. L. Marenych,A. M. Mukha
Issues of expediency of using the DC traction engines on multi-system electric railway rolling stock are considered in the paper.
O. O. Karzova
The issues of determination of level of no-failure operation and cost of maintenance of the equipment of control and protection systems for the railway rolling stock as important integral factors of reliability are considered in the paper.
V. H. Kuznetsov,O. M. Poliakh
The necessary quantity of making shocks on a support by the improved vibroacoustic method of detecting defective supports of the contact electric mains has been investigated.
O. V. Ostapchuk,P. Yu. Krasovskyi
Description to the basic methods of theft of electric power is given and the developed effective device of protecting from thefts is presented.
V. M. Samsonkin,M. V. Panasenko,V. V. Bozhko,Yu. P. Honcharov,O. V. Yeresko,V. V. Zamaruiev,R. I. Liubych,V. H. Sychenko
The combined system of active filtration of target voltage of the rectifier using an added voltage converter as an in-series link and a high-frequency current inverter as parallel one is offered. Its application allows reducing weight of a choke... see more
Ye. M. Frishman,M. I. Umanov
The system of magnetic support (magnetic suspension – MS) using permanent magnets for suspension is under consideration. The permanent magnets are arranged in stepped order. The vertical interaction forces between magnetic systems of the track and the veh... see more
F. P. Shkrabets,O. V. Ostapchuk,O. M. Hrebeniuk
The type of damages is considered when the malfunction of regular tools of protection from emergency regimes in a hauling network is probable. The use of device of protecting from the break of a contact wire is offered. The charts of realization of this d... see more
O. S. Chernyshova
The results of research of efficiency of elimination of train speed limitations are presented.
M. M. Biliaiev,P. B. Mashykhina,O. P. Shakina
The 3D numerical model to simulate the toxic gas dispersion during phosphorus combustion is developed. The model is based on the K-gradient transport model. The results of numerical experiment are presented.
O. Yu. Gunko
The 3D numerical model to simulate the toxicant propagation at an industrial site after the emergency blow-out was developed. The model is based on the transport gradient model and the model of inviscous incompressible fluid. The results of numerical expe... see more
Yu. L. Zayats,V. V. Beliaieva
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 appearan... see more
Yu. V. Zelenko,Chzhu Zhui,T. M. Pustovarova,L. O. Yaryshkina
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... see more
?. V. Bilchenko,O. H. Kislov
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.
V. I. Bolshakov,Yu. L. Savin,O. P. Prykhodko,L. S. Savin,V. M. Kulbashnyi
In the paper the studies of physico-chemical grounds of involving the fourth group elements (titanium, zirconium, hafnium) for syntheses of construction silicate materials are presented. The physico-chemical approach proposed allows involving the great gr... see more
S. V. Borshchevskyi
The combined technological chart for building of vertical shafts is analysed. The influence of strength properties of hardening concrete on interactions of the system «timber – massif» is explored by means of numerical simulation. The recommendations on p... see more
S. V. Borshchevskyi,V. I. Kamenets,O. O. Driuk
The method of building the spill-concrete walls in mine holes of large diameter is analyzed. The variant of calculation of thickness of spill-concrete walls using such a method is offered. The recommendation on perfection of technology of timbering the mi... see more
I. H. Haniiev
The approximate estimate of operational usability of elements of spans is determined in the paper.
L. L. Kaufman,B. O. Lysikov,K. M. Labinskyi,I. O. Komyshan
The review of foreign experience of the tunnel construction in earthquake regions is shown in this paper. The technical solutions for prevention of the earthquake consequences and the examples of building and reconstruction of the tunnels in earthquake re... see more
Yu. O. Kirichek,I. Ye. Kachan,V. O. Vakarchuk,O. V. Molchanov
The concept for solving the problem of increase of Dniepropetrovsk street throughput capacity is formulated. The survey of radial-circular scheme of main streets with continuous traffic is suggested on the basis of analysis of traffic flows and features o... see more
V. P. Kozhushko
The methods of computation of rectangular underground building developed last century and at the beginning of the 21st century with the purpose of exposing basic development directions of the given problem have been considered. The author's opinion concer... see more
V. M. Konoval,M. V. Shelehov,D. V. Hretskyi
The low longevity of antifriction layer of pile foundations in slumping grounds of the IInd type under the negative influence of the surrounding soil is discussed in the paper. The possibility of using the layer of water repellent soil around the basement... see more
S. S. Nasonova
A problem of management by reliability of steel tanks for oil products during their operation is formulated. On the basis of economic approach the technique of definition of as much as possible allowable risk of refusals of these constructions is offered.
M. O. Nikiforova,O. F. Maslyaev
The paper is dealt with mutual influence of resilient and cohesion characteristics of the mortar ingredients of lightweight aggregate concrete on its physical and mechanical properties.
V. F. Ohloblin,I. V. Hyreiko
The research results on increasing the reliability of civil engineering approaches in cases of difficult engineering-geological conditions are presented in the paper.
V. D. Petrenko,O. L. Tiutkin,T. O. Selikhova
The results of modal analysis of overbridge with investigation of forms and frequencies of foundation by the finite-element method are presented in the paper.
L. H. Politikova,V. I. Leshchenko,M. V. Zahorskyi,M. V. Mykhailenko,M. S. Khorolskyi
The research work on creation of effective rubber sealants for hermetic sealing of joints of underground structures from modular ferro-concrete and pig-iron including the underground tunnel casings is carried out.
?. ?. Pshinko,A. V. Krasniuk,T. V. Ulchenko,B. H. Klochko
The technology of mortar injection into a concrete element of construction is developed in the paper. The different methods of applying the repair polymeric mortar on the base of alkylrezorcine on concrete surface of a construction, which are used dependi... see more
O. S. Raspopov
The formal procedure for calculations of longitudinal and torsion vibrations of the multispan beams with continuous mass distribution on the basis of the method of start parameters, associated matrices and elements of mathematical logic is proposed.
Yu. L. Savin,O. P. Prykhodko,L. S. Savin
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 properti... see more
Yu. L. Savin
The studies of theoretical bases of condensation process of the products of the chlorination and formation of titaniumchlorine containing wastes with using them in construction industry are presented in the paper. The studies conducted have allowed creati... see more
B. D. Sukhorukov,S. B. Sukhorukov
The algorithm for determination of equivalent load from a rolling stock (a vehicle) with the arbitrary given scheme of location of axles and axle-loads for influence lines of any form was suggested and performed on a computer.
O. L. Tiutkin
The results of mathematical simulation for process of assembling the sectional casing during heading works are presented in the paper. The finite-element model of wayside is developed, in which it is possible to represent the influence of hydraulic cylind... see more
M. S. Khorolskyi,O. I. Skokov
The research results, which have allowed creating the elastomer materials, technologies, methods of testing and forecasting the operation periods, are given, as well as the results of tests of rubber-reinforced pier parts of increased durability for bridg... see more
V. O. Dzenzerskyi,S. V. Plaksin,L. M. Pohorelaia,I. I. Sokolovskyi
It is suggested the concept of construction of automated information-control system (ICS) for Maglev on the basis of usage of highway mark-connecting communication wave guide line with groups of input connecting holes placed along active way structure. Th... see more
V. H. Kuznetsov,O. M. Lisohurskyi
Modern lines in the field of transport management are directed on transition from analytical systems of processing of information to the information-operating systems providing support of decision-making in management by transportations. New conditions of... see more
V. V. Lahuta
The numerical method of solution of a differential equation of railway shifts is presented allowing to calculate the quantity of shifts in any point of a railway curve during its straightening. Shifts calculated between the points of measurement of bend a... see more
H. I. Muzykina,T. V. Bolvanovska,Ye. M. Zhorova
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 wag... see more
A. V. Sychenko
Mechanical interaction in the system of two bodies that are joined together by the hanger and the fixed pulley taking into account the friction in the pulley, mass and expansibility of the hanger is considered in this paper. The results of computer modeli... see more
V. O. Yakovenko
The mathematical model of destruction of the frozen bulk cargos with use of energy of the microwave electromagnetic field is constructed. Fields of temperatures, moisture content and thermal stresses in the cargo during its destruction with taking into ac... see more
I. O. Vakulenko,M. A. Hryshchenko,O. M. Perkov
The differential cooling of railway wheels parts affects the change of the wheel stress state.
I. O. Vakulenko,O. M. Perkov
The results of research of influence of parameters of thermomechanical hardening on the structure, complex of physico-mechanical and service properties of hardened railway wheels are presented.
V. Ye. Vlasiuk
The paper is devoted to research of theoretic and methodic problems of forming the management influences to improve approaches of increasing the efficiency of economic model of management by the social-and-economic policy of Ukraine.
S. V. Kalambet,H. R. Pieshykov
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.
V. V. Kompaniiets
The problem of interdependence between ethics and economy is explored in the paper, namely: the points of view of scientists of different times and schools including theology conception are presented, which are complemented by the opinions of modern resea... see more
I. P. Korzhenevych,M. B. Kurgan,Yu. S. Barash,D. M. Kurhan
Influence of the increase of train speed on the consumption of power resources is under consideration.
L. M. Loboiko,Yu. S. Barash,O. O. Karas
The economic estimate of 9 variants of prolongation of passenger coaches’ service life after completion of normative period is performed in the paper. Comparison of the alternative variants was executed with the help of a method of estimate of investment ... see more
R. I. Solopenko
The necessity of economic ground of administrative decisions related to the operation, staff, financial, investment, information & telecommunication, innovative, marketing and international economic activities of an aviation enterprise is determined foe s... see more
V. H. Shcherbak
It is suggested a complex approach to estimation of value of the brand capital on the basis of application of various procedures in dependence of pursuit enterprise goals as well as a methodical approach to determination of correspondence of a given metho... see more
O. Yu. Papahov,A. M. Okorokov,O. M. Logvinov
The description of a calculation procedure of operation costs for shunting work during performance of shunting semitrips for making-up of train is considered.