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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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eISSN: 2300-861X

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FEATURED ARTICLES

SIMULATION OF THE ROUTE NETWORK AND FERRY TRAFFIC INTENSITY BASED ON THE PROCESS OF DISCRETIZATION AND CIRCOS PLOT INTENSITY DIAGRAM
DEVELOPMENT AND IMPLEMENTATION OF RETRO-REFLECTIVE ELEMENTS FOR AUTOMATIC ACCESSORIES AND PLACES OF PLANNED POINTS
ADAPTATION OF THE SERVQUAL METHOD FOR TESTING THE QUALITY OF PASSENGER AIR SERVICES
A Study of the Dynamic Parameters Influence over the Behavior of the Two-Section Articulated Vehicle during the Lane Change Manoeuvre

VOLUME 11 , ISSUE 2 (June 2016) - List of articles

NUMERICAL SYNTHESIS OF THE TRACK ALIGNMENT AND APPLICATIONS. PART II: THE SIMULATION OF THE DYNAMIC 
BEHAVIOUR IN THE RAILWAY VEHICLES

Mădălina DUMITRIU

Summary. This paper features a method of synthesizing the track irregularities by which the alignment may be analytically represented by a pseudo-stochastic function, as well as the implementation of such a method in the numerical simulation of the dynamic behaviour of the railway vehicles. The method described in Part I relies on the power spectral density of the track irregularities, as per ORE B 176 and the specifications included in UIC 518 Leaflet regarding the track’s geometric quality. Pa(..)

DOI: 10.20858/tp.2016.11.2.1

Published Online: 02-February-2017

KEY DEVELOPMENT FACTORS OF THE TRANSIT AND TRANSPORT POTENTIAL OF KAZAKHSTAN

Seidulla ABDULLAYEV/ Olga KISELEVA/ Nazdana ADILOVA/ Gabit BAKYT/ Liliya VAKHITOVA

Summary. Nowadays, the Republic of Kazakhstan is dynamically forming up its transit policy, improving its directions and the development of new vectors. This article looks into the development of the transit and transport potential of the Republic of Kazakhstan. It presents the main conclusions on the development of a feasibility study for the construction of a logistics terminal in the seaport of Lianyungang (China) as one of the directions of building transit policy, improving its direction an(..)

DOI: 10.20858/tp.2016.11.2.2

Published Online: 02-February-2017

NEURAL NETWORKS IN TRANSPORTATION RESEARCH – RECENT APPLICATIONS

Teresa PAMUŁA

Summary. Neural networks’ (NNs) capability of mapping the nonlinear functions of variables describing the behaviour of objects and the simplicity of designing their configuration favours their applications in transport. This paper presents representative examples in the scope of prediction of road traffic parameters, road traffic control, measurement of road traffic parameters, driver behaviour and autonomous vehicles, and transport policy and economics. The features of the solutions are examine(..)

DOI: 10.20858/tp.2016.11.2.3

Published Online: 02-February-2017

WHOLESALER TO RETAILER GOODS FORWARDING CONTROLLING

Oleg NIKIFOROV/ Grigory LEVKIN,/ Roman SIMAK/ Sergey MOCHALIN/ Katerina DZYUBINA

Summary. The modern trends in the development of logistics controlling through the prism of collaboration between wholesale companies and retail chains have been considered. The nature and structure of cargo transportation by the wholesale company to the retail chain have been analysed. The key transportation processes have been identified and the reliance on transportation drivers-forwarders for their effectiveness has been determined. The study has resulted in the program-mathematical approach(..)

DOI: 10.20858/tp.2016.11.2.4

Published Online: 02-February-2017

THE FATIGUE DURABILITY OF THE MODIFIED ASPHALT CONCRETE UNDER THE EFFECT OF INTENSIVE TRAFFIC LOADS

Yuri KALGIN/ Alexander STROKIN

Summary. The problem of prediction of the service life of asphalt concrete surface constructed with modified asphalt concrete application onto a traffic lane is examined. Asphalt concrete behaviour in road surface under the traffic loads was analysed. There were shown The results of experiments and their mathematical analysis of the assessment of standard and modified cold asphalt concrete fatigue life on road surface were shown. The service life of an asphalt concrete surface covered with stand(..)

DOI: 10.20858/tp.2016.11.2.5

Published Online: 02-February-2017

THE POSSIBILITIES OF IMPROVING THE OPERATIONAL CHARACTERISTICS OF VEHICLE GEAR BY THE USE OF CYLINDRICAL
ARCHED TOOTH GEAR DRIVE

Igor IVANOV/ Pavel RUBIN/ Alexander TARAPANOV/ Nikita KANATNIKOV

Summary. In this article, one of the most promising methods of increasing the operational characteristics of a vehicle gear by the use of cylindrical gear drives with arched teeth is presented. Despite a number of advantages, these gearings are not widely used due to design and manufacture complexity. Possible options of edge cutting machining of cylindrical gearwheel arched teeth are considered. The progressive process technology proposed by the authors combines the roughing by multi-purpose cu(..)

DOI: 10.20858/tp.2016.11.2.6

Published Online: 02-February-2017

STRUCTURAL ANALYSIS OF RAILWAYS BOLSTER-BEAM UNDER COMMERCIAL OPERATION CONDITIONS: OVER-TRACTION AND
OVER-BRAKING

Ronald M. MARTINOD/ German R. BETANCUR/ Jorge L. RESTREPO/ Leonel F. CASTAÑEDA

Summary. The conditions for the operation of railway systems are closely related to the increase of the commercial demand; as a consequence, the performance of the structural elements of railways changes. The present paper focuses on a study of the structural behaviour of bolster-beams under commercial operation conditions of railway systems, specifically in the dynamic conditions generated in events of over-traction and over-braking on the vehicle running. The proposed work is constructed based(..)

DOI: 10.20858/tp.2016.11.2.7

Published Online: 02-February-2017

TRANSIT TIME THROUGH THE BORDER-CROSSING POINTS: THE CASE STUDY OF THE EU'S ROAD BCP WITH MOLDAVIA

Mihaela POPA/ Eugen ROSCA/ Florin RUSCA/ Dorinela COSTESCU/ Vasile DRAGU

Summary. This paper provides an overview on the ACROSSEE project (funded by the ERDF under the SEE program), its objectives, general methodology, and the main results. Moreover, the main survey results are presented as they relate to the Romanian road and rail border-crossing points (BCPs) with the Eastern neighbourly country, Moldavia. Results include the actual status of the road BCP, surveys on exiting and entering traffic flows, answers to specific questionnaires of the truck and car drivers(..)

DOI: 10.20858/tp.2016.11.2.8

Published Online: 02-February-2017

ACTION AS A CRITERION OF THE CAR OPERATING EFFECTIVENES

Stefan POSTRZEDNIK

Summary. Currently used criteria for determining car operating efficiency in road traffic are, among others, emission of harmful substances, consumption of engine driving fuels, technical service and reliability of operation, safety of use. The operational characteristics of the car in terms of engine driving fuel consumption data is usually recognised as so-called road specific fuel consumption. An important deficiency of this approach is the failure to take into account the influence of the ti(..)

DOI: 10.20858/tp.2016.11.2.9

Published Online: 02-February-2017

REFERENCE CLASS FORECASTING IN ICELANDIC TRANSPORT INFRASTRUCTURE PROJECTS

Thordur Vikingur FRIDGEIRSSON

Summary. Previous studies have indicated that the majority of infrastructure projects have cost overruns. The root causes are traced to political, technical and psychological reasons at the initial stage of the project. The consequence is either unintentional overoptimistic forecasting of perceived results or calculated interpretation of facts in favour of personal and political interests. These phenomena are called planning fallacies and strategic misrepresentation, respectively. A step-wise pr(..)

DOI: 10.20858/tp.2016.11.2.10

Published Online: 02-February-2017

RECYCLING AND PROPERTIES OF RECYCLED ALUMINIUM ALLOYS USED IN THE TRANSPORTATION INDUSTRY

Lenka KUCHARIKOVÁ/ Eva TILLOVÁ/ Otakar BOKŮVKA

Summary. Nowadays, a transportation industry creates a lot of metal scrap because production and use of cars are on the increase worldwide. This is based on the fact that increase in the production of cars increases usage of aluminium alloys in transportation applications. Therefore, it is necessary to reduce the production of components from primary aluminium alloy and increase their replacement with secondary—recycled—aluminium alloys because the production of recycled aluminium alloys is less(..)

DOI: 10.20858/tp.2016.11.2.11

Published Online: 02-February-2017

VEHICLE DRIVING CYCLE OPTIMISATION ON THE HIGHWAY

Zinoviy STOTSKO/ Myroslav OLISKEVYCH

Summary. This paper is devoted to the problem of reducing vehicle energy consumption. The authors consider the optimisation of highway driving cycle a way to use the kinetic energy of a car more effectively at various road conditions. The model of a vehicle driving control at the highway which consists of elementary cycles, such as accelerating, free rolling and deceleration under forces of external resistance, was designed. Braking, as an energy dissipation regime, was not included. The influen(..)

DOI: 10.20858/tp.2016.11.2.12

Published Online: 02-February-2017

NEW POSSIBILITIES OF RAILWAY TRAFFIC CONTROL SYSTEMS

Lionginas LIUDVINAVIČIUS/ Aleksander SŁADKOWSKI

Summary. This article analyses the train traffic control systems in 1435 mm and 1520 mm gauge railways. The article analyses the aspects of train traffic control and locomotive energy saving by using the coordinates of track profile change that have been received from GPS. In the article, achievements of Lithuanian railways (LG) in the area of train traffic control optimisation are presented.

DOI: 10.20858/tp.2016.11.2.13

Published Online: 02-February-2017

CLASSIFYING RAILWAY PASSENGER STATIONS FOR USE TRANSPORT PLANNING – APPLICATION TO BULGARIAN RAILWAY NETWORK

Svetla STOILOVA/ Radina NIKOLOVA

Summary. A methodology for the classification of railway passenger stations was developed in this study. Four groups of factors are defined to study the characteristics of the station: potential of the town, importance of the town, infrastructural factors, and characteristics of passengers. In the research we investigated 18 factors and studied 98 passenger stations of railway network in Bulgaria. The method of principal components has been applied for grouping the factors and cluster analysis h(..)

DOI: 10.20858/tp.2016.11.2.14

Published Online: 02-February-2017

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