PART – I: RAILWAYS (35 hrs)
1. Introduction to Indian Railways
2. Railway surveys: Factors influencing the railways route, brief description of
various types of railway survey
3. Classification of permanent way describing its component parts
4. Rail Gauge: Definition, types, practice in India
5. Rails – types of rails
6. Rail Fastenings: Rail joints, types of rail joints, fastenings for rails, fish plates,
bearing plates
7. Sleepers: Functions of sleepers, types of sleepers, requirements of an ideal
material for sleepers.
8. Ballast: Function of ballast, requirements of an ideal material for ballast
9. Crossings and signallings: Brief description regarding different types of crossings/
signallings (Latest electronics operated signal devices )
10. Maintenance of track: Necessity, maintenance of track, inspection of soil, track
and fixtures; maintenance and boxing of ballast maintenance gauges, tools
11. Earth work an drainage: Features of rail road, bed level, width of formation, side
slopes, drains, methods of construction, requirement of drainage system
PART-II: BRIDGES (35 hrs)
12. Introduction
Bridge – its function and component parts, difference between a bridge and a
culvert
13. Classification of Bridges
Their structural elements and suitability:
13.1 According to life-permanent and temporary
13.2 According to deck level – Deck, through and semi-through
13.3 According to material –timber, masonry, steel, RCC, pre-stressed
13.4 According to structural form;
- Grade Seperators-Railway Overbridges (ROB), Railway
underbridge (RUB)
- Beam type –RCC, T-Beam, steel girder bridges, plate girder and
box girder, balanced cantilever, Trussed bridges. - Arch type – open spandrel and filled spandrel barrel and rib type
- Suspension type – unstiffened and stiffened and table (its
description with sketches)
- According to the position of highest flood level submersible and
non submersible
13.5 IRC classification
14. Bridge Foundations: Introduction to open foundation, pile foundation, well
foundation
15. Piers, Abutments and Wingwalls
15.1 Piers-definition, parts; types –solid (masonry and RCC), open
15.2 Abutments and wing walls – definition, types of abutments (straight and
tee), abutment with wing walls (straight, splayed, return and curved)
15.3 Launching of Equipment Bridges
16. Bridge bearings
Purpose of bearings; types of bearings – fixed plate, rocker and roller.
17. Maintenance of Bridges
17.1 Inspection of Steel and Equipment bridges
17.2 Routine maintenance
PART - III: TUNNELS (10 hrs)
18. Definition and necessity of tunnels
19. Typical section of tunnels for a national highway and single and double broad
gauge railway track
20. Ventilation –necessity and methods of ventilation, by blowing, exhaust and
combination of blowing and exhaust
21. Drainage method of draining water in tunnels
22. Lighting of tunnels