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Analiza napak na tirnicah : diplomska naloga
Habjan, Tomaž (Author), Zgonc, Bogdan (Mentor) More about this mentor... This link opens in a new window, Šemrov, Darja (Co-mentor), Cerovšek, Tomo (Thesis defence commission member), Srdič, Aleksander (Thesis defence commission member), Šelih, Jana (Thesis defence commission member)

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Abstract
V začetnem delu diplomske naloge se seznanimo s tirnico, ki je posebno oblikovan jekleni nosilec, del zgornjega ustroja železniške proge in najpomembnejši element železniških tirov, ki opravlja funkcijo vodenja vozil in direktno prevzema prometne obremenitve transportnih sredstev. Predstavimo železovo zlitino – jeklo, ki je osnovni material za izdelavo tirnic, podrobneje opišemo razvoj tirnic skozi zgodovino in postopek izdelave tirnic, predstavimo sestavne elemente in karakteristike tirnic ter opišemo najznačilnejše vrste tirnih napak in njihovih lastnosti. V drugem delu diplomske naloge pregledamo obstoječe podatke o evidentiranih napakah na tirnicah na celotnem železniškem omrežju Republike Slovenije in analiziramo napake na tirnicah po posameznih glavnih progah na železniškem omrežju. Na osnovi primerjave med glavnimi progami ugotavljamo, da enotirne proge izstopajo po številu napak na tirnicah na kilometer proge. Opazimo tudi, da ena dvotirna proga izstopa po številu napak glede na izkoriščenost proge. Visok negativni Pearsonov koeficient korelacije kaže, da se število napak na tirnicah linearno povečuje z zmanjševanjem temperature. Analiza korelacije pri vseh ostalih obravnavanih parametrih (obraba, starost tirnice, hitrost na progi, osna obremenitev, obremenitev proge in nagib nivelete) pa ne nakazuje na obstoj izrazite linearne odvisnosti med obravnavanimi parametri in številom napak na tirnicah.

Language:Slovenian
Keywords:gradbeništvo, diplomska naloga, VSŠ, tirnica, napake na tirnicah, železniško omrežje RS, analiza glavnih prog
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2015
Publisher:[T. Habjan]
Number of pages:XVIII, 107 str.
UDC:625.14 (043.2)
COBISS.SI-ID:7112545 Link is opened in a new window
Views:265
Downloads:176
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Secondary language

Language:English
Title:Analyses of rail defects : graduation thesis
Abstract:
In the initial part of the thesis we acquaint with rails, which are specially design steel beams - parts of the substructure of the railway line and the most important elements of the railway tracks. The beams perform the function of managing the acquisition of vehicles and direct traffic loads of transport assets. We presented the iron alloy – steel, which is the basic material for the production of rails. We describe in detail the development of the rail and the process of making rails through history. We presente constituent elements and characteristics of rails and describe the most typical types of rail defects and their properties. In the second part of the thesis we review existing data on the recorded rail defects on the whole railway network of the Republic of Slovenia and analyze defects in rails for each of the main routes. We compare the main routes according to the number of defects on the rails. Upon analysis and comparision, we conclude that the single-track lines stand out by the number of defects per track kilometer. We also observe that one double track lines stands out by the number of defects on rails considering the utilization of the line. The analysis of the Pearson correlation coefficient shows that the number of defects on rails linearly increases with decreasement of the temperatures. For other observed parameters (rail wear, rail age, speed on the track, axle load, the volume of traffic expressed in gross tonnage and gradient), the correlation analysis does not show any particular linear dependence.

Keywords:rail, rail defects, Slovenian railway network, analyses of the main routes

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