National Repository of Grey Literature 109 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
Optimization of Skrochovice - Krnov Track Section
Loučka, Filip ; Wrana, Radim (referee) ; Plášek, Otto (advisor)
This thesis deals with design of optimization of the railway track situated between Krnov railway station and Skrochovice railway station. The section starts at km 87.892 at switch point of Krnov railway station and ends at km 90.4 behind the Krnov-Cvilín stop. The main goal of this work is to design geometric parameters of the track, reconstruction of the railway superstructure, restoration of the drainage and to propose a work technology. The work also includes working out of the bill of quantities and if it is possible a proposal of track speed increase. The design of railway crossings structure and the track on the bridge structure at km 90.367 was required.
Design of junction point Jistebník
Talapka, Filip ; Janoušek, Jan (referee) ; Plášek, Otto (advisor)
The aim of this bachelor thesis is to design a rail connection between the corridor track Přerov – Ostrava and a high-speed track Přerov – Ostrava near the village Jistebník. The flyover interconnections are designed in all four directions for a maximum speed of 160 km / h. The proposal is divided into two basic variants – the minimization of land occupation and the minimization of engineering objects.
Development of Long-pitch Corrugation in Curves of Small Radii
Valehrach, Jan ; Kohout,, Martin (referee) ; Lidmila,, Martin (referee) ; Plášek, Otto (advisor)
Throughout the operation, the rails are worn and deteriorate. With the increasing speed of rolling stock, along with higher track loads and especially in the vicinity of major traffic hubs with a higher frequency of trains, defects that did not occur to such an extent before or were not considered to be significant, are brought to the forefront of the concerns of track infrastructure managers. Even though these defects are not directly restrictive to traffic operation, they are, in any case, a source of noise and vibration. One of these defects on the railway track is the micro-geometry defect of the running surface of the railhead. In directional curves with radii of less than 600 m or 700 m, defects known as long-pitch corrugation occur on the inner rail. In curves with 300 m or smaller radii, these waves are so distinct that they are a significant source of noise and vibration. In particular, vibrations affect the track surroundings and the track itself, as they cause other defects in the track structure. This dissertation deals with long-pitch corrugation, focusing on the monitoring of wave generation and development over time. The verification of the possibility to track the development of slip waves over time is the basis for possible future models predicting the development of defects. Numerous measurements of geometric parameters of the track and microgeometry of the railheads, specifically slip waves, have been carried out in the framework of the problem. Using RMS and peak-to-peak methods, the rate of development of defects over time and the relationship with other track parameters were evaluated. Based on the obtained development curves, intervals for further maintenance interventions were estimated. A part of the thesis focuses on the deficiency or excess of cant concerning the development of long-pitch corrugation.
Track Bridge Interaction
Kapounek, Jan ; Kubelka, Jan (referee) ; Plášek, Otto (advisor)
This thesis focuses on the analysis of different approaches to the evaluation of the combined response of bridge structure and continuous welded rail on 5 planned bridges on high-speed railway in the Czech Republic in the stage of Land Use Permission. The output of the analysis of these bridges is the indication and description of problematic points occurring in the methodology as well as the development of recommended steps for the calculation of the combined response of structure and track to variable actions by the method of Complex Analysis for bridges on high-speed lines in the Czech Republic. Based on this recommended procedure, a simple bridge model is created.
Design of modernization of Valašské Meziříčí Railway Station
Málek, Jiří ; Pur, Kamil (referee) ; Plášek, Otto (advisor)
The theme of this thesis is to design modernization of Valašské Meziříčí Railway Station. This thesis includes reconstruction of both station heads and the design of the platforms for the safe movement of persons with reduced mobility with seven platform edges in total. The thesis deals with the construction of the railway superstructure and substructure, including drainage.
Design of Modernization of Hanušovice Railway Station
Veselý, Miroslav ; Brůha, Bohuslav (referee) ; Plášek, Otto (advisor)
The objective of my masters thesis is to design a modernization of the railway station Hanušovice. Main requirements of this thesis include the reconstruction of both end sections of the station, increasing the speed of the main track and to design the platforms for persons with reduced mobility. At least four platform edges are required. The last requirement is the design of substructure including drainage.
Optimization of track section Olomouc - Šumperk km 25.7 - 28.652
Živný, David ; Louma, Jaroslav (referee) ; Plášek, Otto (advisor)
This bachelor thesis aims to design a reconstruction of the track section Olomouc - Šumperk km 25,7 - 28,652. Part of the thesis is a renewal of railway superstructure and substructure that are must meet the requirements according to current standards and regulations, establishments of drainage, technological workflow proposal and bill of quantities. The Bachelor thesis is also devoted to geometric parameters of the track.
Design of Optimization of Náměšť nad Oslavou – Vladislav Track Section km 36,030 – 39,5
Jaroš, Petr ; Louma, Jaroslav (referee) ; Plášek, Otto (advisor)
The subject of my bachelor work is optimization of geometrical parameters of tracks on the selected track section and increase the speed to the maximumpossible value. Furthermore, the optimal structure design of permanent way and construction of the superstructure sleeper base. I will discuss a proposal for construction of railway crossings.
Design of Optimization of Track Section Bylnice - Vlárský Průsmyk
Štěpán, Jan ; Mráz, Martin (referee) ; Plášek, Otto (advisor)
The focus of the thesis is to design a optimization of the geometrical layout of the track for an increase of the track speed to the highest possible value and a reconstruction of the permanent way superstructure between railway stations Bylnice - Vlárský Průsmyk. The work also includes a design of sleeper subsoil, renewal of the drainage and a design of the construction technology and procedures. Necessary view triangles will be added for unsecured level crossings.
Design of Station Head of Maloměřice Railway Station
Bětík, Václav ; Rotschein, Petr (referee) ; Plášek, Otto (advisor)
Target of this diploma thesis is to propose connection of receiving yard of classification yard railway station Maloměřice including essential joint crossover into the line tracks in front junction Hády and junction station Královo Pole and also propose connection of line tracks n. 1A and 2A in the front junction Židenice. Part of the thesis is renewal of stations substructure and technological workflow proposal.

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