Czech

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Institute of Railway Structures and Constructions (ZEL)

A student acquires skills in dynamical analysis of rail track constructions, measuring technique and modelling and stability of rail track.

Railway substructure, subdivision and construction of rail substructure and its construction layers, construction and shape of earth formation
Railway superstructure and modern railway structure design, interaction between railway vehicle and track, static track design, switches, crossings and turnouts.
Basic principles of numerical computations, basic elementary problems of numerical mathematics.
Physics, vibrations, proper vibrations, energy of a harmonics vibrations, damped vibrations, forced vibrations, addition of vibrations
Examination of the response of structures subjected to excitation, bases of the vibration theory, frequency domain analysis.

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1. Measuring technique and modelling. Introduction into transportation structures problems, hygiene standards and regulations. Aims and physical principles of measurements and devices.
2. Types of measuring sensors, principles of electronic measurements of physical quantities.
3. Multi-channel measurements, measuring software, principles of data recorded elaboration and proportional dependencies on various quantities.
4. Measurements of mechanical and fatigue material properties within transportation structures.
5. Measurements, analyses and modelling of mechanical exertion, static and dynamic phenomena. Measuring, modelling and analysis of temperature and thermal fields.
6. Measurements and analyses of noise and trembling. Comparison of measuring and modelling techniques. Prediction of noise levels from road, rail transport and air transport.
7. Modal analyses, comparison of measuring and modelling techniques. Analyses of measurements.
8. Design and analyses of anti-noise and anti-vibration measurements. Dynamical analysis of rail track constructions. Principles, simple dynamical model of interaction: vehicle and rail track.
9. Dynamical exertion within the rail joints, sources of vibration in dependency on frequency. Dynamical models of rail track, critical train speed. Dynamical response on vehicle, dynamical response on moving wheelset, vibration transmission between vehicle and rail track.
10. Application of advanced models by the method of final elements. Stability of rail grid and alongside strength, diagonal and alongside resistance, modelling by the method of final elements.

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The objective of the subject is to introduce students to the problems of dynamical analysis of rail track constructions, measuring technique and modelling and stability of rail track and to practise acquires knowledge and skills.

Extent and forms are specified by guarantor’s regulation updated for every academic year.

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