|
| |
|
|
Permanent Way in Tunnel
Kulhavá, Daniela ; Lukeš, Petr (referee) ; Svoboda, Richard (advisor)
The master thesis deals with the comparison of railway superstructure structures in a tunnel. It compares the construction of the ballast base and the slab track - specifically the type with concreted track length and the type with prefabricated slabs. Specifically, the slab track type Rheda 2000 and ÖBB-PORR are considered. Furthermore the construction and maintenance technology of these structures is proposed. A final comparison of the advantages and disadvantages of the different types in tunnel applications is made.
|
|
| |
|
|
Design of railway arched bridge across the I/33 roadway
Uher, Michal ; Nečesal, Petr (referee) ; Marván, David (advisor)
This master thesis content is alternative design of one span single-railed steel bridge. The bridge is located in km 44,179 on the track Jaroměř - Dvůr Králové. Crossing barrier is roadway I/33. The teoretical distance between supports is 42 m. Main bearing structure is designed as Langer beam. Structure consist of beams, arcs, suspenders, bridge deck with longitudinal and transversal bracings. Elements of the structure are made out of steel S355J2+N, S235J2+N, S355NL. The bridge is designed according to current standards ČSN EN.
|
|
|
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.
|
|
|
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.
|
|
|
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.
|
|
|
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.
|
|
| |
|
|
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.
|
guest ::
