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CZECH TECHNICAL UNIVERSITY IN PRAGUE
STUDY PLANS
2023/2024
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Diagnostics of Railway in Relation to Noise Measurement

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Code Completion Credits Range Language
D37DJD ZK 1P+1C Czech
Garant předmětu:
Lenka Lomoz
Lecturer:
Ondřej Bret, Lenka Lomoz, Petra Váňová
Tutor:
Ondřej Bret, Lenka Lomoz, Petra Váňová
Supervisor:
Department of Railway Structures
Synopsis:

The subject focuses mainly on the diagnostics of railway tracks in railway and tram lines.

Within the theoretical part of the subject, students will focus on diagnostics and classification of surface defects of rails influencing the acoustic situation in the vicinity of the railway track during the passage of a vehicle. In addition, the concepts of rail wear and track maintenance will be explained within the subject. Students will be acquainted with the methods of non-destructive testing of the rails and the system of tracking of rail defects. They will become acquainted with the basic methods of defectoscopy with a focus on the measurement of wavelength and roughness of the rails heads, which are crucial methods in the contemporary implemented pan-European methodology of Cnossos.

In the practical part, the students will learn the basics of the measurement of the rail corrugation and the roughness of the rails. As part of the field measurements, the student will, with support of a teacher, collect data using equipment for measuring rail corrugation and roughness of the rails. The measured data will be evaluated by a student. The practical output will be the processed measurement protocol.

Requirements:

There are no requirements.

Syllabus of lectures:

1. Diagnostics of rails

2. Rail defects – rail defect registration system

3. Rail wear

4. Maintenance of the carriageway

5. Non-Destructive Rail Testing (NDT)

6. Defectoscopy – measurement of waviness and roughness of the rail

Syllabus of tutorials:

1. Familiarization with the device for measuring the waviness and roughness of the rail

2. – 3. Measurements in the field

4. – 6. Postprocessing – evaluation of measurement data

7. Presentation of results

Study Objective:

Gaining specialized, narrowly specified knowledge in the area of noise issues in rail transport.

Study materials:

!Krejčiříková, H.: Railway structures, part 1, ČVUT, 2020, ISBN 978-80-01-06157-2.

!V.A.Profillidis: Railway management and Engineering, 2006,ISBN: 978-0-7546-4854-3.

!Thompson, D.: Railway Noise and Vibration: mechanisms, modeling and means of control; Elsevir, 2009, ISBN-13: 978-0-08-045147-3.

!Jens Trampe Broch: Acoustic noise measurements, 1975, ISBN 87 87355 00 0.

?H.Funke: Rail grinding, 1992, SPENO international SA.

?SŽDC (ČD) S 3/4 „Non-destructive testing of rails“.

?SŽDC (ČD) S 2/3 „Organization and execution of track inspections“ Article 68 with reference to Appendix 1.

?CNOSSOS-EU Common Noise Assessment Methods in EU, 2012.

Note:
Time-table for winter semester 2023/2024:
Time-table is not available yet
Time-table for summer semester 2023/2024:
Time-table is not available yet
The course is a part of the following study plans:
Data valid to 2024-05-18
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