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Railway Bridge
Jirkovská, Eva ; Straka,, Bohumil (referee) ; Buchta, Stanislav (advisor)
The thesis deals with design and static assessment of the steel railway bridge with a span 36,6 m. The bridge is located on the two-track corridor line Košice - Púchov. It consists of two bridge structures connected by a longitudinal expansion joint. The main construction consists of four solid welded beams mounted on steel calotte bearings. The bridge deck is the top with a tub for the track bed, which is continuous at the site of the bridge. Bridging the bridge is secured by a track bed and a horizontal and lateral truss bracing. On both sides of the bridge are pedestrian walkways with a width of 1,5 m.
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Evaluation of the Trial Section for Under Sleeper Pads
Murínová, Klára ; Langer, Vojtěch (referee) ; Plášek, Otto (advisor)
Under sleeper pads (USP) are elastic pads on underneath surface of the sleeper. Their main advantage is reducing of stress in track bed, slowing down a deterioration of track quality, life extension of railway track and reducing life cycle cost. There are three trial track sections in the Czech Republic in which are USP used. The influence of the USP is continuously monitored. The bachelor thesis is focused on the Ústí nad Orlicí trial track section. This thesis describes measurements of the track level by the precise levelling method and measurements of the stress in track bed carried out in the 2016 and 2017 and their evaluation and comparison with previous measurements in the 2015.
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Study of the Letovice railway station upgrading
Dorko, Patrik ; Sobotka, Lukáš (referee) ; Hruzíková, Miroslava (advisor)
The subject of the master’s thesis is to design a reconstruction of the Letovice railway station for access for persons with reduced mobility and orientation. The thesis deals with adjustment to the railway superstructure, substructure and drainage system of the station. Part of the thesis is explore the possibility of building a new railway stop.
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Zhodnocení možností využití stavebních recyklátů do konstrukčních vrstev železničního spodku
Bělunek, Jakub
This thesis deals with recycled construction materials used in the structural layers of rail track substructure. The thesis describes the construction of rail track substructure, current situation in recycling of aggregates, waste management, the impact of railway structure on the environment, sampling and uncleaned rail track ballast. At the end of the theoretical part is the chapter Recycling of aggregates of the railway track bed. In the practical part, is provided the specification of properties recycled construction materials which are produced in selected facility and an assessment of the established facts. First, the selected facility is characterized. Next, the technical and environmental requirements are described and then the tests of physical properties to conclusiveness quality of recycled construction materials are defined. To evaluate the possibilities of utilization is performed long-term monitoring of physical properties and then are individual results overall are valorized. Finally, the practical recommendations are formulated.
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Static verification and variant design of steel structure of railway bridge
Boček, Michal ; Melcher, Jindřich (referee) ; Karmazínová, Marcela (advisor)
The subject of this diploma thesis is static verification steel structure of exist railway bridge in accordance with the valid standards. The bridge have three simple spans with a span of 25; 98 and 25 meters, outer fields are simple beams, the middle field is the beam reinforced with an arch with vertical rods. Steel orthotropic deck with longitudinal stiffeners and crossbeams. Further were designed and analyse other possible options super structure of the middle field, and the resulting variant as a circle span with radial rods was detail solved and made documentation.
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Vsetin - Velke Karlovice Railway Track Refurbishment (section between km 2.725 - 6.000 km) Including Track Laying Technology
Klar, Vít ; Hoza, Miroslav (referee) ; Říha, Tomáš (advisor)
This thesis deals with the design of track geometry parameters and the reconstruction of the selected section of Vsetín – Velké Karlovice railway track’s superstructure. This reconstruction expands to further include the connection track to the Bečva branch. This proposal has been designed with the following objects in mind: railway stops Ústí u Vsetína and Janová, railway crossings, bridges, culverts, etc. Finally, this proposal addresses the restoration of drainage along the tracks and track laying technology. It should be noted, that all proposed adjustments are designed according to current regulations and legislation.
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Vsetin - Velke Karlovice Railway Track Refurbishment (section between km 17,000 - 19,950 km) Including Track Laying Technology
Kulich, Pavel ; Pokorný, Ondřej (referee) ; Říha, Tomáš (advisor)
Bachelor´s thesis deals with design of permanent way and track geometry parameters of the selected section of Vsetín – Velké Karlovice railway track. The design should be considered primarily on existing objects such as railway crossings, culverts, railway stops, bridges , etc. Thesis includes restoration of drainage and track laying technology. It should be noted, that all proposed adjustments are designed according to current regulations and legislation.
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MEASUREMENT OF DYNAMIC PARAMETERS OF TRACK GRID
Podolník, Adam ; Tomandl, Vladimír (referee) ; Smutný, Jaroslav (advisor)
Coupled with theory analyses, various static and dynamic tests carrying out in laboratory or directly on site serve as a basis for selection and comparison of particular rail superstructure parts. It should be noted that the theoretical analysis of the application of mathematical modeling is often based on highly idealized assumptions. The purpose of this bachelor thesis is the experimental analysis of dynamic effects of selected flexible fastening structures without baseplates. Forces induced by the passage of trains have been simulated on a specially prepared samples using inertial exciter. Additional measurements of the dynamic response of structures to shock induced by a modal hammer were also performed. Measurements were performed in the laboratory of ÚPKO and ÚŽKS and in situ.
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