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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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ISSN: 1896-0596
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 3 (September 2016) - List of articles

MODELLING STUDIES ON THE USE OF ALUMINIUM ALLOYS IN LIGHTWEIGHT LOAD-CARRYING CRANE STRUCTURES

Damian GĄSKA/ Tomasz HANISZEWSKI

Summary. The article presents the results of numerical analysis whose aim was to compare the basic dynamic and strength parameters of lightweight load-carrying crane structures made of aluminium alloys and steel. The analysis covered the typical construction of workshop cranes with a span of 3 to 5 meters, girders in the form of an I-beam and maximum load capacities amounting to 5 tons. The values of stresses, deflections and natural frequencies were compared and then matched with the masses of (..)

DOI: 10.20858/tp.2016.11.3.2

Published Online: 24-February-2017

DATA MINING WORKSPACE AS AN OPTIMIZATION PREDICTION TECHNIQUE FOR SOLVING TRANSPORT PROBLEMS

Anastasiia KUPTCOVA/ Petr PRŮŠA/ Gabriel FEDORKO/ Vieroslav MOLNÁR

Summary. This article addresses the study related to forecasting with an actual high-speed decision making under careful modelling of time series data. The study uses data-mining modelling for algorithmic optimization of transport goals. Our finding brings to the future adequate techniques for the fitting of a prediction model. This model is going to be used for analyses of the future transaction costs in the frontiers of the Czech Republic. Time series prediction methods for the performance of (..)

DOI: 10.20858/tp.2016.11.3.3

Published Online: 24-February-2017

ROAD ACCIDENT ESTIMATION MODEL IN URBAN AREAS

Serban RAICU/ Dorinela COSTESCU/ Stefan BURCIU/ Florin RUSCA/ Mircea ROSCA

Summary. Urban areas are significantly different in terms of traffic risk. In a decisive manner, they are the result of urban development policies. The shape, size and configuration of an entire urban area, the facilities to satisfy people and the need for mobility of goods, as well as behavioural attitudes of the population, are essential for a traffic pattern and its associated risks. In this framework, the purpose of this paper is to identify the effects of urban area characteristics on road (..)

DOI: 10.20858/tp.2016.11.3.4

Published Online: 27-February-2017

APPLICATION OF NFC TECHNOLOGY IN PASSENGER RAIL TRANSPORT

Henryk KOMSTA/ Eva BRUMERCIKOVA/ Bibiana BUKOVA

Summary. The article discusses the possibility of the application of the NFC technology as a system of selling tickets in passenger rail transport. The NFC (Near Field Communication) technology is a wireless and contactless technology of transmission of radio data over short distances (max. 5 cm). This technology is very similar to the RFID (Radio Frequency Identification) technology. It is assumed that this technology will spread rapidly and that already in 2015 around 85% of the payments in th(..)

DOI: 10.20858/tp.2016.11.3.5

Published Online: 27-February-2017

AN ANALYSIS OF SPATIAL EQUITY CONCERNING INVESTMENTS IN HIGH-SPEED RAIL SYSTEMS: THE CASE STUDY OF ITALY

Francesca PAGLIARA/ Luigi BIGGIERO/ Alessia PATRONE/ Francesco PERUGGINI

Summary. It is recognised in the literature that spatial accessibility is a measure of spatial equity and can be represented by the ease of travelling from an origin to a given destination via a given mode or set of transport modes. Although urban areas can benefit from improvements in accessibility when a new high-speed rail line is built, equity issues may arise. This manuscript describes a methodology for evaluating equity impacts due to an extension of the High Speed Rail network in Italy. A(..)

DOI: 10.20858/tp.2016.11.3.6

Published Online: 27-February-2017

LORRY CONVOY STABILITY TAKING INTO ACCOUNT THE SKEW OF SEMITRAILER AXES

Volodymyr SAKHNO/ Viktor POLIAKOV/ Oleksiy TIMKOV/ Oleksandr KRAVCHENKO

Summary. The mathematical model of a saddle-type lorry convoy is improved taking into account the skew of the axes of a semitrailer. It is shown that the motion of a lorry convoy without the skew of the axes is asymptotically steady. The skew of any axis of a semitrailer results in the worsening of stability of the rectilinear motion conditioned by the oscillations of the towed link.

DOI: 10.20858/tp.2016.11.3.7

Published Online: 27-February-2017

THE APPLICATION OF HCM 2010 IN THE DETERMINATION OF CAPACITY OF TRAFFIC LANES AT TURBO ROUNDABOUT ENTRIES

Elżbieta MACIOSZEK

Summary. The main aim of this study was to verify whether it is possible to utilize the model contained in the HCM 2010 methodology for evaluation of traffic capacity of the lanes at the entries to turbo roundabouts in Poland. The models contained in the HCM 2010 methodology were compared with the empirical values obtained for traffic capacity of the traffic lanes at the entries to turbo roundabouts with values of traffic capacity determined based on the author's own models developed based on th(..)

DOI: 10.20858/tp.2016.11.3.8

Published Online: 27-February-2017

IMPROVING THE METHODS OF ESTIMATION OF THE UNIT TRAIN EFFECTIVENESS

Dmytro KOZACHENKO/ Roman VERNIGORA/ Volodymyr BALANOV/ Nazar SANNYTSKYY/ Nikolay BEREZOVY/ Tetiana BOLVANOVSKA

Summary. The article presents the results of studies of freight transportation by unit trains. The article is aimed at developing the methods of the efficiency evaluation of unit train dispatch on the basis of full-scale experiments. Duration of the car turnover is a random variable when dispatching the single cars and group cars, as well as when dispatching them as a part of a unit train. The existing methodologies for evaluating the efficiency of unit trains’ make-up are based on the use of ca(..)

DOI: 10.20858/tp.2016.11.3.9

Published Online: 27-February-2017

IMPROVEMENT OF WORKING CONDITIONS OF THE FREIGHT LOCOMOTIVE RUNNING GEAR

George TUMANISHVILI/ Tamaz NATRIASHVILI/ Givi GOLETIANI/ Victor ZVIADAURI/ Tengiz NADIRADZE

Summary. To improve the working conditions of the electric locomotive running part, it is necessary to decrease unsprung masses, lateral loads and the angle of attack and provide the third body with proper tribotechnical properties. A new scheme of the freight electric locomotive running gear is elaborated in the work, which ensures a decrease of unsprung masses, relative sliding of a wheel on the rail and an angle of attack that provides resistance to the destruction of the third body in the co(..)

DOI: 10.20858/tp.2016.11.3.10

Published Online: 27-February-2017

TIRE WEAR MODELING

Rosen IVANOV

Summary. On the basis of a known relationship, an enhanced model for specific tire wear per kilometer has been developed. It is appropriate for practical use - for evaluation of the influence of different factors. Two types of experiments have been carried out with a testing device - one without sideslip, but with a known longitudinal slip, and the other one with the same longitudinal slip but also with a known sideslip. As a result, the coefficients of the proportion of the developed model have(..)

DOI: 10.20858/tp.2016.11.3.11

Published Online: 27-February-2017

IDENTIFYING WAREHOUSE LOCATION USING HIERARCHICAL CLUSTERING

Sebastjan ŠKERLIČ/ Robert MUHA

Summary. Identifying the optimal warehouse location involves a series of qualitative and quantitative factors. The purpose of this study was to use hierarchical clustering to identify the optimal location for a warehouse, which would ensure the lowest cost, a high level of quality in supplying customers and connect the selling and purchasing activities of the businesses operating in the Slovenian automotive industry into a system. The study also aims to demonstrate the applicability of the selec(..)

DOI: 10.20858/tp.2016.11.3.12

Published Online: 27-February-2017

IDENTIFICATION OF TRAFFIC CONGESTION ON URBAN ARTERIALS FOR HETEROGENEOUS TRAFFIC

Amudapuram Mohan RAO/ K. Ramachandra RAO

Summary. With the rapid growth of urban traffic, the gap between traffic demand and supply is increasing by the day, and traffic congestion has become a part of urban Indian life. The following aspects have become important for transportation planners and managers: identification of the frequently congested road sections, estimating their influence on the entire road network, and improving the connectivity and accessibility of the whole road network. Identification of congestion metric is the fi(..)

DOI: 10.20858/tp.2016.11.3.13

Published Online: 27-February-2017

PROSPECTS FIXATION DRIFT SANDS PHYSICOCHEMICAL METHOD

Maujuda MUZAFFAROVA/ Makhamadjan MIRAKHMEDOV

Summary. This article is based on the theoretical foundations of secure mobile sand being considered for reducing the negative impact of one of the manifestations of exogenous plains on such an important natural-technical system as a railroad. It suggests practical measures to build a system of design protection against sand drifts. The article also suggests ways to conserve resources and rational use of machinery and performers as well as the consolidation of mobile sand wet with water soluble (..)

DOI: 10.20858/tp.2016.11.3.14

Published Online: 27-February-2017

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