Course Details
Railway Structures 1
Academic Year 2022/23
BN001 course is part of 3 study plans
B-P-C-SI (N) Summer Semester 1st year
B-K-C-SI (N) Summer Semester 1st year
B-P-E-SI (N) Summer Semester 1st year
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.
Course Guarantor
Institute
Objective
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.
Knowledge
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.
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.
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, 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.
Language of instruction
Czech
Credits
4 credits
Semester
summer
Forms and criteria of assessment
course-unit credit and examination
Specification of controlled instruction, the form of instruction, and the form of compensation of the absences
Extent and forms are specified by guarantor’s regulation updated for every academic year.
Offered to foreign students
Not to offer
Course on BUT site
Lecture
13 weeks, 2 hours/week, elective
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
13 weeks, 2 hours/week, compulsory
Syllabus
1. Rail track gauge and gauge widening
2. Cant, distance-related cant gradient, time-related cant gradient, cant deficiency. Specifying of design of a section double track line.
3. Calculations of track layout of a circle curve with transition curves
4. Compound curves. Transition curves connecting two circular curves. Reverse curves.
5. Vertical track alignment
6. Drawings elaboration
7. Submitting of design of section of double track line. Specifying of study of railway line.
8. Written test
9. Evaluation of track design variants.
10. Drawings and report elaboration
11. Submitting of study of section of railway line, credit.