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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 4 (December 2016) - List of articles

ANALYTICAL RESEARCH ON THE GRIP VARIATION OF TWO-AXLE CAR

Rosen IVANOV

Summary. This paper presents a theoretical investigation on the decrease in grip coefficient of a car due to the car mass changes for three different running conditions- straightforward, motion in curve and braking. The grip of two types of cars - with forward and rear traction, equipped with three models of tires are studied. The results show a significant decrease of the grip coefficient in longitudinal and lateral directions.

DOI: 10.20858/tp.2016.11.4.1

Published Online: 02-February-2017

QUALITY CRITERIA WHEN ASSESSING COMPETITIVENESS IN ROAD TRANSPORT SERVICES

Mikhail KRASNYANSKIY/ Nikolai PENSHIN

Summary. The paper presents the criteria of quality that ensures competitiveness of transport services, marked indicators of quality road transport service applied smoothing factor of fluctuations in the demand for automobile transport services as well as selected characteristics of comprehensive quality in road transport services.

DOI: 10.20858/tp.2016.11.4.2

Published Online: 02-February-2017

ELECTRODES WITH VARIOUS AMOUNT OF NICKEL FOR TRUCK FRAME REPAIRS

Michał MIROS/ Wojciech MAJEWSKI/ Jan PIWNIK/ Tomasz WĘGRZYN/ Adam KONOPKA

Summary. The goal of this paper is to analyze the exploitation and safety conditions of weld steel structure of car body truck frames after welding repairs made by covered electrodes. The main role of conditions in connected with materials, alloy elements in steel and filer materials, welding technology, state of stress and temperature. Because of that, good selection of steel and choice of welding method for proper steel structure repairs are very important. For responsible steel, structures li(..)

DOI: 10.20858/tp.2016.11.4.3

Published Online: 02-February-2017

AUTOMATION DESIGN FOR MONORAIL - BASED SYSTEM PROCESSES

Bunda BESA/ K. Emmanuel CHANDA/ Mahinda KURUPPU

Summary. Currently, conventional methods of decline development put enormous cost pressure on the profitability of mining operations. This is the case with narrow vein ore bodies where current methods and mine design of decline development may be too expensive to support economic extraction of the ore. According to studies, the time it takes to drill, clean and blast an end in conventional decline development can be up to 224 minutes. This is because once an end is blasted, cleaning should first(..)

DOI: 10.20858/tp.2016.11.4.4

Published Online: 02-February-2017

DETAILED ANALYSIS OF PUBLIC BUS VEHICLE RIDE ON URBAN ROADS

Vojtěch NOVOTNÝ/ Dagmar KOČÁRKOVÁ/ Ondřej HAVLENA/ Martin JACURA

Summary. Public transport priority is still a big issue in many cities. Priority measures for street public transport are the key tool to increasing the attractiveness and reliability of public transport systems. This paper contributes to this problem by introducing a detailed analysis of street public transport vehicle ride on urban roads. The ride will be divided into segments with a definition of the potential reason for possible delays. This view is the first step for a future objective deci(..)

DOI: 10.20858/tp.2016.11.4.5

Published Online: 02-February-2017

STUDY OF THE STATE OF LOGISTICS IN KAZAKHSTAN: PROSPECTS FOR DEVELOPMENT AND DEPLOYMENT OF TRANSPORT AND LOGISTICS CENTRES

Zhanarys RAIMBEKOV/ Parida BAYNEEVA/ Yerzhan AMIRBEKULY/ Bakyt SYZDYKBAYEVA/ Darima ZHENSKHAN

Summary. The creation and development of Kazakhstan as a trade, logistics and business hub of the region is on the agenda of the Government of Kazakhstan. To achieve this, central and local governments, private businesses invest in new infrastructure projects in logistics. The article investigates the problems of modern logistics infrastructure formation in the territory of the Republic of Kazakhstan. The survey results show that the attractiveness of Kazakhstan as a transport and logistics hub (..)

DOI: 10.20858/tp.2016.11.4.6

Published Online: 02-February-2017

MODELLING OF THERMOELASTIC TRANSIENT CONTACT INTERACTION FOR BINARY BEARING TAKING INTO ACCOUNT CONVECTION

Igor KOLESNIKOV/ Sergey DANILCHENKO/ Elena KOLOSOVA/ Mikhail CHEBAKOV/ Alexander LYAPIN

Summary.Serviceability of metal-polymeric "dry-friction" sliding bearings depends on many parameters, including the rotational speed, friction coefficient, thermal and mechanical properties of the bearing system and, as a result, the value of contact temperature. The objective of this study is to develop a computational model for the metallic-polymer bearing, determination on the basis of this model temperature distribution, equivalent and contact stresses for elements of the bearing arrangement(..)

DOI: 10.20858/tp.2016.11.4.7

Published Online: 02-February-2017

DECISION MAKING ON CARGO-FLOWS MANAGEMENT IN INTEGRATED PRODUCTION AND TRANSPORTATION SYSTEM

Julia BULGAKOVA

Summary. The problem of real time cargo-flows management in the integrated production and transportation system on example of machine-building enterprise is viewed optimal number of order cards in production and transportation system, which provides reduction in logistic costs. The building approach of membership function of linguistic terms, which characterize work-in-process level and waiting time, based on deterministic stock management model and queuing system is proposed.

DOI: 10.20858/tp.2016.11.4.8

Published Online: 02-February-2017

DESIGN OF AGENT-BASED MODEL FOR BARGE CONTAINER TRANSPORT

Anezka GROBARCIKOVA/ Jarmila SOSEDOVA

Summary. The increasing importance of intermodal transport in Europe requires an alternative way of designing new logistics solutions to ensure sustainable development, mobility and, in particular, optimal transport costs. The aim of the paper is to design a model for connecting inland navigation into the European intermodal transport system. The paper presents a proposal for the agent-based simulation of container barge navigation on TEN-T (Trans-European Transport Network) corridor Rhine – Dan(..)

DOI: 10.20858/tp.2016.11.4.9

Published Online: 02-February-2017

PROSPECTS FOR RAISING PASSENGER TRAIN SPEED ON THE RECONSTRUCTED SECTION OF THE UZBEKISTAN RAILWAYS

Saidburhan DJABBAROV

Annotation. Analysis of the state of technical equipment and railway infrastructure in the example section of the Tashkent-Andijan shows the possibility of increasing the speed of passenger trains. The results can be used in the reconstruction of railways operating under similar conditions, in order to increase train speed.

DOI: 10.20858/tp.2016.11.4.10

Published Online: 02-February-2017

EVALUATION OF POTENTIAL OF REGIONAL RAILWAY LINES

Tomáš JAVOŘÍK/ Václav NOVOTNÝ/ Lukáš TÝFA/ Martin VANĚK

Summary. There is a significant number of railway networks within many Middle- and East-European countries operated only by regional lines, usually with a great difference between travel demand and transportation offer. This difference is reflected in the whole economic balance of the lines of the service there, resulting as an essential input for the assessment of rail system efficiency. This paper is the conclusion of the Czech Technical University in Prague (CTU), Faculty of Transportation Sc(..)

DOI: 10.20858/tp.2016.11.4.11

Published Online: 02-February-2017

URBAN PUBLIC TRANSPORT WITH THE USE OF ELECTRIC BUSES – DEVELOPMENT TENDENCIES

Stanisław KRAWIEC/ Bogusław ŁAZARZ/ Sylwester MARKUSIK/ Grzegorz KAROŃ/ Grzegorz SIERPIŃSKI/ Krzysztof KRAWIEC/ Ryszard JANECKI

Summary. The programing documents of the European Union determine the direction of transport systems development, including large cities and agglomerations. The context of these actions which aim to transform into ecologically clean and sustainable transport system is a significant reduction of greenhouse gas emissions. Assuming that public transport will significantly reduce the use of combustion-powered buses, studies on urban logistic enabling the use of electric buses for public transport ar(..)

DOI: 10.20858/tp.2016.11.4.12

Published Online: 02-February-2017

SIMULATION MODELING IN IMPROVING PEDESTRIANS’ SAFETY AT NON-SIGNALIZED CROSSWALKS

Irina MAKAROVA/ Rifat KHABIBULLIN/ Vadim MAVRIN/ Eduard BELYAEV

Summary. The paper presents an analysis of road traffic accidents at non-signalized pedestrian crosswalks. A field study was conducted to determine the parameters for traffic and pedestrian flow, and construct the simulation models enabling experimentation at different loadings on the street and road network. Variants for improving the pedestrian safety at non-signalized crosswalks have been proposed. Simulation modeling of the proposed managerial decisions is expected to diminish the likelihood(..)

DOI: 10.20858/tp.2016.11.4.13

Published Online: 02-February-2017

INTERDEPENDENCIES BETWEEN EVALUATION OF COLLISION RISKS AND PERFORMANCE OF SHIPBORNE PNT DATA PROVISION

Paweł BANYŚ/ Evelin ENGLER/ Frank HEYMANN

Summary. The highest priority for safe ship navigation is the avoidance of collisions and groundings. For this purpose, the concept of ship domain has been introduced to describe the surrounding effective, waters which should be kept clear of other ships and obstacles. In the last decades, a large variety of ship domains have been developed differing in the applied method of their determination as well as in the modelled shape, size, and safety areas. However, a ship domain should be adjusted in(..)

DOI: 10.20858/tp.2016.11.4.14

Published Online: 02-February-2017

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