RBT (Diploma Civil Engineering 6th)

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