Course detail

Railway Structures 1

FAST-BNA002Acad. year: 2022/2023

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

Czech

Number of ECTS credits

4

Mode of study

Not applicable.

Guarantor

doc. Ing. Otto Plášek, Ph.D.

Department

Institute of Railway Structures and Constructions (ZEL)

Learning outcomes of the course unit

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.

Prerequisites

Geodesy in Civil Engineering, coordinate systems, geodetic computations, measurement of directions and angles, distance measurements, height systems, height measurements, setting out of buildings, roads and railways, maps
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.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Not applicable.

Course curriculum

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.

Work placements

Not applicable.

Aims

The objective of the subject is to introduce students to the problems of railway track geometry components and alignment, railway track design and subdivision and construction of rail substructure and its construction layers and to practise acquires knowledge and skills.

Specification of controlled education, way of implementation and compensation for absences

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

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

ČSN 73 6360-2. Konstrukční a geometrické uspořádání koleje železničních drah a její prostorová poloha - Část 2: Stavba a přejímka, provoz a údržba. 10.2009. Praha: ÚNMZ, 2009. (CS)
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

BONNETT, Clifford F. Practical railway engineering. 2nd ed. London: Imperial College Press, c2005. ISBN 1-86094-515-5. (EN)
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

  • Programme BPC-SI Bachelor's

    specialization K , 3 year of study, summer semester, compulsory

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

doc. Ing. Otto Plášek, Ph.D.

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

26 hod., compulsory

Teacher / Lecturer

Ing. Tomáš Říha
Ing. Erik Dušek
Ing. Nikola Svobodová
Ing. Martin Kuchár
Ing. Andrej Matejov

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.