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Presentation on indian railway

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This presentation contains topics about railway engineering.

This presentation contains topics about railway engineering.

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  • 1. Presented by- Khusro Khan.
  • 2. Indian Railway
  • 3. History of Indian Railway First Indian Railway line was opened on 16th April 1853.
  • 4. The first train consisting of onesteam engine and four coaches ,traversed a stretch of 21-milesbetween Mumbai(Bombay) andThane.Indian Railway has a gloriouspast of more than150 yearsserving the nation.
  • 5. Features of Indian RailwayIndian Railway has a 3 tiermanagement system.No strike in last 30 years inspite of17 lakhs workers.It runs 12000 trains everyday.It is largest railway system in Worldunder one management system.
  • 6. It carries 1.4 crore passengers and 16lakh tonnes of goods every day.
  • 7. It is fuel efficient system.7000 stations & about 500computerized passenger reservationsystem.
  • 8. Speed of TrainsShatabdi max 140kmph.Rajdhani max 130kmph.Others max 110kmph.
  • 9. Railway Track orCombination of rails, fittedWay Permanent subgrade is on sleepersand resting on ballast andcalled the railway track or permanentway.
  • 10. Requirements of anIdeal Permanent WayBoth rails should be at the same level.Curves should be properly designed.Proper super elevation should beprovided.
  • 11. GaugeThe maximum distance between therunning faces of the two rails of apermanent way is called GAUGE.
  • 12. Dimension of gauges1-Broad Gauge(BG) 1676mm(5’6”)2-Standard Gauge(SG) 1435mm3-Metre Gauge(MG) 1000mm4-Narrow Gauge(NG) 762mm(2’6”)5-Light Gauge 610mm
  • 13. Types of Rails1- Double Headed Rail.2- Bull Headed Rail.3- Flat Footed Rail.
  • 14. Rail Failure1-Crushed Heads.2-Square or Angular Breaks.3-Split Heads.4-Split Web.5-Horizontal Fissures.6-Transverse Fissure.
  • 15. Creep of RailsCreep is defined as thelongitudinal movement of the railwith respect to the sleepers
  • 16. Defects of Creep(i) Sleepers move out of position thereby the rail gauge.(ii) Position of points and crossings aredisturbed.(iii) Interlocking mechanism getsdisturbed.
  • 17. SpikesFor holding the rails to the woodenSleepers various types of spikes are used.
  • 18. Types of spikesDog spikes.Screw spikes.Round spikes.Standard spikes.Elastic spikes.
  • 19. Bolts(i) Dog or hook bolt.(ii) Fish bolts.(iii) Fang nut bolts.
  • 20. Chairs(i) Cast iron chair (C.I chairs).(ii) Slide chairs.
  • 21. SleepersSleepers are the transverse ties that areLaid to support the rails.They transmit wheel load from the railsto the ballast.
  • 22. Classification of sleepers (i) Wooden sleeper Cast iron sleeper (ii) Metal sleeper Steel sleeper Reinforced concrete Sleeper (R.C.C) (iii) Concrete sleeper Prestressed Concrete Sleeper .
  • 23. Sleeper DensitySleeper density is the numberof sleepers Per rail length. Itis specified as(M+x) or(N+x), where M or N is thelength of the rail in metersand x is a number varies tofactors .
  • 24. BallastSingle size aggregate used in rail trackconstruction. Generally has a nominal size of63mm or 53mm. Can be used as a very coarsedrainage material. Ballast Ballast
  • 25. Types of ballast Sand ballast. Moorum ballast. Coal ash or cinder. Broken stone ballast.
  • 26. Queries Please?

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