Course detail
Railway Structures 1
FAST-BNA002Acad. year: 2024/2025
Railway track geometry components and alignment, rail track gauge, cant and twist, horizontal and vertical track alignment, track alignment design parameters for operation of tilting body trains
Geodetic surveying of track layout, track layout optimization problems, geodetic layout and fixing of rail track alignment.
Clearances. The centre line distances in open track and in railway stations. Routing of railway lines, railway track design.
Subdivision and construction of rail substructure and its construction layers – basic terms. Ballast bed and formation – bearing capacity, stress distribution, types and design of railway substructure, construction layers.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
Soil mechanics, classification of soils for engineering purposes, the shear strength of soils, stresses in soils.
Strength and elasticity of materials, basic principles of structural mechanics.
Basic terms, division of railway structures. Track alignment design parameters and its spatial position – basic terms.
Rules for evaluation and completion of the course
Aims
A student acquires skills in railway track geometry components and alignment, railway track design and subdivision and construction of rail substructure and its construction layers.
Study aids
Prerequisites and corequisites
Basic literature
ČSN 73 6360-1. Konstrukční a geometrické uspořádání koleje železničních drah a její prostorová poloha - Část 1: Projektování. 12.2020. Praha: ÚNMZ, 2020. (CS)
IŽVOLT, Libor a Stanislav HODÁS. Projektovanie, stavba, rekonštrukcia a modernizácia železničných tratí a staníc. Žilina: EDIS, 2020. ISBN 978-80-554-1703-5. (SK)
IŽVOLT, Libor, Stanislav HODAS a Janka ŠESTÁKOVÁ. Železničné staviteľstvo 1: Projektovanie, stavby a konštrukcie železničných tratí a staníc. 1. Žilina: EDIS, 2015. ISBN 978-80-554-1122-4. (SK)
PLÁŠEK, Otto, Pavel ZVĚŘINA, Richard SVOBODA a Milan MOCKOVČIAK. Železniční stavby: Železniční spodek a svršek. Brno: Akademické nakladatelství CERM, 2004. ISBN 80-214-2621-7. (CS)
Recommended reading
HANSMANN, Fabian, Wolfgang NEMETZ a Richard SPOORS. Keeping Track of Track Geometry: Basic- Error Detection- Correction - Quality. Leverkusen: PMC Media House, 2021. ISBN 978-3-96245-225-4. (EN)
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
- 1. Railway track geometry components and track alignment design parameters within operation speed 160 km/h. Rail track gauge and gauge widening.
- 2. Cant, distance-related cant gradient, time-related cant gradient, cant deficiency.
- 3. Horizontal track alignment. Transition curves.
- 4. Nonlinear transition curves.
- 5. Compound curves. Transition curves connecting two circular curves. Reverse curves.
- 6. Vertical track alignment, gradients, vertical curves.
- 7. Track alignment design parameters for operation of tilting body trains.
- 8. Routing of railway lines, railway track design.
- 9. Geodetic surveying of track layout, track layout optimization problems.
- 10. Geodetic layouts and fixing of rail track alignment.
- 11. Clearances. The centre line distances in open track and in railway stations.
Exercise
Teacher / Lecturer
Syllabus
- 1. Rail track gauge and gauge widening
- 2. Cant, specifying of design of a section double track line.
- 3. Circle curve, distance-related cant gradient, time-related cant gradient, cant deficiency.
- 4. Transition curves, clothoid, cubic parabola. Calculations of track layout of a circle curve with transition curves.
- 5. Compound curves. Transition curves connecting two circular curves. Reverse curves.
- 6. Design of parallel tracks. Change of track axis distance.
- 7. Design parameters regarding the tilting trains.
- 8. Vertical track alignment
- 9. Drawings elaboration
- 10. Consultations
- 11. Submitting of the study of a section of railway line, credit.