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Train transport
Netolický, Jan ; Prokop, Aleš (referee) ; Řehák, Kamil (advisor)
This bachelor thesis deals with train transport. Train transport has been with us for many years and is constantly evolving. Many years have passed since the early days when rail vehicles were only used for transporting materials in mines, and today's rail vehicles serve as one of the main means of transport all over the world. The congestion of road transport is contributing to the use and development of train transport and thus to the increased speed and comfort that the carriers are trying to offer us. For this reason, the trains have been divided according to different criteria and the distance of their journey. Freight trains have also been included. Because of the constant increase in speed, more space has been given to high-speed trains, which have been divided into individual high-speed families. This overview of the trains gives us an indication of the direction of future development. As the Czech Republic has an extensive rail network, the paper includes an assessment of future developments in terms of speed increases, electrification and freight transport. As a result of the thesis, a breakdown and overview of current trainsets is presented, from which trends in this sector have been drawn. The thesis also concludes with a critical assessment of future developments in the Czech Republic.
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Study of dynamic effect on a bridge structure with moving loads
Zavřelová, Michaela ; Martinásek, Josef (referee) ; Vlk, Zbyněk (advisor)
The goal of the master thesis is a dynamic parametric study on the dynamic effects of high-speed train using the HSLM-A load model on a railway bridge. The calculation model is processed, in RFEM 5.29.01 with RF-MOVE module and prerelease versions RFEM 6 and RSTAB 9, as a 2D member in the XZ plane. Furthermore, static load cases and load models LM 71 and HSLM-A are created. The HSLM-A load model is processed for universal trains A1-A10, which each cross the railway bridge at a total of 15 speeds ranging from 120 km/h to 400 km/h. A detailed parametric study of the dependence of the maximum deformation and acceleration in the Z direction on the speeds of each train set is performed. Modal and time history analysis is used in the parametric study. Part of the work is to determine the resonance region.
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Train transport
Netolický, Jan ; Prokop, Aleš (referee) ; Řehák, Kamil (advisor)
This bachelor thesis deals with train transport. Train transport has been with us for many years and is constantly evolving. Many years have passed since the early days when rail vehicles were only used for transporting materials in mines, and today's rail vehicles serve as one of the main means of transport all over the world. The congestion of road transport is contributing to the use and development of train transport and thus to the increased speed and comfort that the carriers are trying to offer us. For this reason, the trains have been divided according to different criteria and the distance of their journey. Freight trains have also been included. Because of the constant increase in speed, more space has been given to high-speed trains, which have been divided into individual high-speed families. This overview of the trains gives us an indication of the direction of future development. As the Czech Republic has an extensive rail network, the paper includes an assessment of future developments in terms of speed increases, electrification and freight transport. As a result of the thesis, a breakdown and overview of current trainsets is presented, from which trends in this sector have been drawn. The thesis also concludes with a critical assessment of future developments in the Czech Republic.
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