Your SlideShare is downloading. ×
0
RAILWAY COMUNICATION: Mr. Mahbubur Rahman Lecturer,  Department of Civil Engineering Stamford University Bangladesh 51, Si...
PARTICIPENT  <ul><li>GROUP-A </li></ul><ul><li>MD. SAKIN MORSHED CEN-03305523 </li></ul><ul><li>SHAMSUL ISLAM SHISHIR  CEN...
History of Railway <ul><li>In 1769 France Mechanic Nicholas Joseph First invented air engine. In 27 september 1825, Railwa...
<ul><li>Bangladesh Railway's headquarters are located in the southern port city of Chittagong, which had historically been...
IMPORTANCE  <ul><li>RAIL IS THE BEST WAY TO CARRYING HEAVY LOAD. </li></ul><ul><li>AVAILABLE IN EVERY COUNTRIES. </li></ul...
RAIL ROUTE  IN  BANGLADESH
CROSS SECTION OF DOUBLE TRACK RAILWAY ALIGNMENT
COMPONENTS  AND  FUNCTIONS <ul><li>SUBBALLAST </li></ul><ul><li>BALLAST </li></ul><ul><li>CROSS AND SWITCH TIES </li></ul>...
Gauge <ul><li>The Gauge of a railway track is defined as the clear minimun perpendicular distance between inner faces of t...
FACTORS <ul><li>Factors affecting the choice of gauge: </li></ul><ul><li>1.Traffic Conditions. </li></ul><ul><li>2. Develo...
TYPE OF GAUGE <ul><li>Type  Width </li></ul><ul><li>Broad Gauge 1676~1524mm </li></ul><ul><li>Standard Gauge 1435~1451mm <...
TYPE OF GAUGE USES IN BANGLADESH
RAIL <ul><li>Rails are similar to steel Girder. These are placed end to end to provide continuous and level surface for th...
RAIL IN PAST CROSS SECTION OF RAIL
TYPE OF RAIL <ul><li>The standard form of rail used around the world is the &quot;flat bottom&quot; rail.  It has a wide b...
Ballast <ul><li>Ballast is provided to give support, load transfer and drainage to the track and thereby keep water away f...
<ul><li>Reinforcement of a granular sub-base layer beneath the railway ballast to increase the bearing capacity of the tra...
SLEEPERS <ul><li>Traditionally, sleepers are wooden.  They can be softwood or hardwood. In Bangladesh uses a hardwood .Sle...
<ul><li>Concrete is the most popular of the new types .They resist movement better than wooden ones.  They work well under...
FITTING & FASTENING <ul><li>The purpose of providing fitting & fastening is to hold the rail in proper position for the sm...
DETAIL PARTS OF FASTENING
DIFFERENT TYPE OF FASTENING
DIFFERENT TYPE OF FASTENING
DIFFERENT TYPE OF FASTENING
DIFFERENT TYPE OF FASTENING
SIGNAL  <ul><li>TYPE OF SIGNAL </li></ul><ul><li>ACCORDING TO FUNCTION </li></ul><ul><li>ACCORDING TO LOCATION </li></ul><...
<ul><li>ACCORDING TO FUNCTION </li></ul><ul><li>- SIMAPHORE SIGNAL </li></ul><ul><li>- WARNER SIGNAL </li></ul><ul><li>- G...
SIGNAL CONTROLING ROOM
VARIOUS TYPE OF SIGNAL
SIGNALING SIGN
TURN <ul><li>SWITCHES </li></ul><ul><li>Switches are mechanical devices consisting of special crossties with rails that pe...
DERAILS Derails are safety devices designed to limit unauthorized movement of a car or locomotive beyond a specific point....
TURNOUT <ul><li>I have used the word &quot;turnout&quot; to describe the junctions in trackwork where lines diverge or con...
TYPE OF TURNOUT
GUARD RAIL
TURN TABLE
CROSSING <ul><li>Crossing are provided to transfer Train from one track to the other. The tracks may be parallel or diverg...
<ul><li>DIFFERENT </li></ul><ul><li>TYPES OF </li></ul><ul><li>CROSSING </li></ul>
RAIL MAINTENANCE
JAM AT CROSSING POINT
PRESENT RAIL ROUTE  IN  BANGLADESH
PROPOSED  RAIL ROUTE  IN  BANGLADESH
COMMUTER RAIL ROUTE  IN  BANGLADESH
ANY QUESTION ?
Upcoming SlideShare
Loading in...5
×

BANGLADESH RAILWAY COMUNICATION

4,792

Published on

Published in: Education, Business
1 Comment
2 Likes
Statistics
Notes
No Downloads
Views
Total Views
4,792
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
162
Comments
1
Likes
2
Embeds 0
No embeds

No notes for slide

Transcript of "BANGLADESH RAILWAY COMUNICATION"

  1. 1. RAILWAY COMUNICATION: Mr. Mahbubur Rahman Lecturer, Department of Civil Engineering Stamford University Bangladesh 51, Siddeswari, Dhaka. BANGLADESH PERSPECTIVE
  2. 2. PARTICIPENT <ul><li>GROUP-A </li></ul><ul><li>MD. SAKIN MORSHED CEN-03305523 </li></ul><ul><li>SHAMSUL ISLAM SHISHIR CEN-03305528 </li></ul><ul><li>MD.FAJLUL BARI FUAD CHOWDHURY CEN-03305529 </li></ul><ul><li>A.B.M.MASUDUL ALAM CEN-03305534 </li></ul><ul><li>MAHDI MASUD CEN-03305546 </li></ul><ul><li>B.M.TIPU SULTAN CEN-03305551 </li></ul><ul><li>PRODIP KUMAR CEN-03305554 </li></ul><ul><li>SHAMMI AKHTAR CEN-03305559 </li></ul><ul><li>MD.SAYDUR RAHMAN CEN-02805229 </li></ul>
  3. 3. History of Railway <ul><li>In 1769 France Mechanic Nicholas Joseph First invented air engine. In 27 september 1825, Railway first start at England. </li></ul><ul><li>Railway acts as an important method of mass transport in Bangladesh . Many districts of the country are connected via railways. Bangladesh Railway began in 1862 . 53.11 km broad gauge line for traffic on 15 November between Darsana and Jagiti. The next 14.98 km meter gauge line was opened for traffic on 4th January 1885. In 1891, the construction of then Assam-Bengal Railway was taken by the Assam-Bangla Railway Company. On 1 July 1895, two sections of meter gauge lines were opened between Chittagong and Comilla, a length of 149.89 kilometers and between Laksam and Cahndpur, a length of 50.89 kilometers. Railway Companies formed in England took up the construction and operation of these sections in middle and late 19th century. Bangladesh Railway was mostly inherited from the British-established Assam Bengal railway system after the partition of India in 1947. At present Bangladesh Railway has got 2855 route kilometers. </li></ul>
  4. 4. <ul><li>Bangladesh Railway's headquarters are located in the southern port city of Chittagong, which had historically been the south-eastern terminus of the Assam-Bengal Railway. After independence from Pakistan in 1971, only a small length of additional new tracks were laid . </li></ul><ul><li>As of 2005, the total length of railroad is 2,706 km. Of that, 923 km are broad gauge (1.676 meter) tracks (mostly in the western region), while the remaining 1,822 km are metre gauge tracks (mostly in the central and eastern regions). The gauge problem is being tackled by adding third rails to the most important broad and metre gauge routes, so that they become dual gauge. </li></ul><ul><li>A major road-rail bridge at Jamuna opened in 1998 to connect the previously isolated east and west rail networks. </li></ul><ul><li>As of March 2008, the broad gauge reached Dhaka the national capital, though only up to Dhaka Cantonment, DOHS Baridhara. Recently It Reached in to Kamlapur Station. </li></ul>
  5. 5. IMPORTANCE <ul><li>RAIL IS THE BEST WAY TO CARRYING HEAVY LOAD. </li></ul><ul><li>AVAILABLE IN EVERY COUNTRIES. </li></ul><ul><li>CAN PASS HUGE PASSENGER. </li></ul><ul><li>POPULAR IN COMMERCIAL COMPANY. </li></ul><ul><li>LESS RISK. </li></ul><ul><li>JOURNEY IS REASONABLE. </li></ul>
  6. 6. RAIL ROUTE IN BANGLADESH
  7. 7. CROSS SECTION OF DOUBLE TRACK RAILWAY ALIGNMENT
  8. 8. COMPONENTS AND FUNCTIONS <ul><li>SUBBALLAST </li></ul><ul><li>BALLAST </li></ul><ul><li>CROSS AND SWITCH TIES </li></ul><ul><li>RAIL </li></ul><ul><li>CONSTRUCTION </li></ul><ul><li>JOINTS </li></ul><ul><li>RAIL ANCHORS </li></ul><ul><li>TIE PLATES AND FASTENINGS </li></ul><ul><li>TRACK SPIKES </li></ul><ul><li>RAIL JOINTS AND ACCESSORIES (SPLICE BARS) </li></ul><ul><li>SWITCHES </li></ul><ul><li>SWITCH STANDS </li></ul><ul><li>DERAILS </li></ul><ul><li>FROGS AND GUARD RAILS </li></ul><ul><li>TRACK TOOLS </li></ul>
  9. 9. Gauge <ul><li>The Gauge of a railway track is defined as the clear minimun perpendicular distance between inner faces of the two Rails. </li></ul><ul><li>The standard track gauge - the distance between the two rails - is 4 ft. 8½ in or 1435 mm. but many other gauges, wider and narrower than this, are in use around the world.  Gauge is often intentionally widened slightly on curved track.  </li></ul>
  10. 10. FACTORS <ul><li>Factors affecting the choice of gauge: </li></ul><ul><li>1.Traffic Conditions. </li></ul><ul><li>2. Development of poor areas. </li></ul><ul><li>3. Cost of track. </li></ul><ul><li>4. Nature of country. </li></ul>
  11. 11. TYPE OF GAUGE <ul><li>Type Width </li></ul><ul><li>Broad Gauge 1676~1524mm </li></ul><ul><li>Standard Gauge 1435~1451mm </li></ul><ul><li>Meter Gauge 1076~1000mm </li></ul><ul><li>Narrow Gauge 762~610 mm </li></ul>
  12. 12. TYPE OF GAUGE USES IN BANGLADESH
  13. 13. RAIL <ul><li>Rails are similar to steel Girder. These are placed end to end to provide continuous and level surface for the Train to move. </li></ul>
  14. 14. RAIL IN PAST CROSS SECTION OF RAIL
  15. 15. TYPE OF RAIL <ul><li>The standard form of rail used around the world is the &quot;flat bottom&quot; rail.  It has a wide base or &quot;foot&quot; and narrower top or &quot;head&quot;.  </li></ul><ul><li>Bullhead rail was originally designed with reuse in mind.  It was intended that it would be turned over when the top had worn but this proved impossible because the underside also wore where it had been secured to the sleeper.  Bullhead rail has to be mounted a special &quot;chair&quot; made of cast iron and secured by a &quot;key&quot; wedged between the rail web and the chair.  The chairs are secured to the sleepers by &quot;coach screws&quot;.  </li></ul>
  16. 16. Ballast <ul><li>Ballast is provided to give support, load transfer and drainage to the track and thereby keep water away from the rails and sleepers.  Ballast must support the weight of the track and the considerable cyclic loading of passing trains </li></ul><ul><li>Individual loads on rails can be as high as 50 tonnes Ballast will be laid to a depth of 9 to 12 inches (up to 300 mm on a high speed track).  Ballast weighs about 1,600 to 1,800 kg/cu/m </li></ul><ul><li>A highly cost effective solution for the reinforcement of ballast over a soft subgrade are Tensar biaxial geogrids, which bring significant benefits to railway engineers </li></ul><ul><li>Direct ballast reinforcement reduces the rate of track settlement and reduces maintenance cycles </li></ul>
  17. 17. <ul><li>Reinforcement of a granular sub-base layer beneath the railway ballast to increase the bearing capacity of the track foundation. </li></ul><ul><li>An alternative to increasing the depth of ballast, or adopting chemical stabilisation. </li></ul><ul><li>Improved rail ballast performance allows consistent high speeds to be achieved </li></ul><ul><li>Reduction of the rate of permanent settlement. </li></ul><ul><li>Avoids the need for excavation of soft soil and replacement with thick layers of imported fill. </li></ul><ul><li>Reduced maintenance due to a proven increase in the intervals between maintenance interventions </li></ul>
  18. 18. SLEEPERS <ul><li>Traditionally, sleepers are wooden.  They can be softwood or hardwood. In Bangladesh uses a hardwood .Sleepers are normally impregnated with preservative and, under good conditions, They are easy to cut and drill and used to be cheap and plentiful.  Nowadays, they are becoming more expensive and other types of materials have appeared, notably concrete and steel. </li></ul><ul><li>Steel sleepers are also now used on more lightly used roads, but they are regarded as suitable only where speeds are 100 mi/h (160 km/h) or less. </li></ul>
  19. 19. <ul><li>Concrete is the most popular of the new types .They resist movement better than wooden ones.  They work well under most conditions but there are some railways which have found that they do not perform well under the loads of heavy haul freight trains.  A concrete sleeper can weighs up to 320 kg (700 lbs) </li></ul>Another type of concrete sleeper is the twin-block sleeper. The design consists of two concrete blocks joined by a steel bar.  It is 30% lighter than a regular concrete sleeper, allowing it to be moved manually.  It is popular in France
  20. 20. FITTING & FASTENING <ul><li>The purpose of providing fitting & fastening is to hold the rail in proper position for the smooth running of trains. This fitting & fastening join rail with rail as well as fix the sleepers with rail. </li></ul><ul><li>Type of fastening : </li></ul><ul><ul><li>Bearing Plate. </li></ul></ul><ul><ul><li>Fish Plate, </li></ul></ul><ul><ul><li>Spike </li></ul></ul><ul><ul><li>Hook bolt </li></ul></ul><ul><ul><li>Fangbolt </li></ul></ul><ul><ul><li>Chair and key etc. </li></ul></ul>
  21. 21. DETAIL PARTS OF FASTENING
  22. 22. DIFFERENT TYPE OF FASTENING
  23. 23. DIFFERENT TYPE OF FASTENING
  24. 24. DIFFERENT TYPE OF FASTENING
  25. 25. DIFFERENT TYPE OF FASTENING
  26. 26. SIGNAL <ul><li>TYPE OF SIGNAL </li></ul><ul><li>ACCORDING TO FUNCTION </li></ul><ul><li>ACCORDING TO LOCATION </li></ul><ul><li>ACCORDING TO OPERATION </li></ul><ul><li>SPECIAL SIGNAL </li></ul>
  27. 27. <ul><li>ACCORDING TO FUNCTION </li></ul><ul><li>- SIMAPHORE SIGNAL </li></ul><ul><li>- WARNER SIGNAL </li></ul><ul><li>- GROUND SIGNAL </li></ul><ul><li>- COLOURED LIGHT SIGNAL </li></ul><ul><li>ACCORDING TO LOCATION </li></ul><ul><li>- OUTHER SIGNAL </li></ul><ul><li>- HOME SIGNAL </li></ul><ul><li>- STARTER SIGNAL </li></ul><ul><li>- ADVANCE STARTER SIGNAL </li></ul><ul><li>ACCORDING TO OPERATION </li></ul><ul><li>- ROUTING SIGNAL </li></ul><ul><li>- REPEATING SIGNAL </li></ul><ul><li>- CO-ACTING SIGNAL </li></ul><ul><li>- CALLING-ON SIGNAL </li></ul><ul><li>- INDICATOR SIGNAL </li></ul><ul><li>- MISCELANEOUS SIGNAL </li></ul><ul><li>SPECIAL SIGNAL </li></ul><ul><li>- DITONATING SIGNAL </li></ul><ul><li>- HAND SIGNAL </li></ul><ul><li>- FIXED SIGNAL </li></ul>
  28. 28. SIGNAL CONTROLING ROOM
  29. 29. VARIOUS TYPE OF SIGNAL
  30. 30. SIGNALING SIGN
  31. 31. TURN <ul><li>SWITCHES </li></ul><ul><li>Switches are mechanical devices consisting of special crossties with rails that permit a train to change tracks and therefore, change direction. Switches may be controlled either manually or electronically. </li></ul>
  32. 32. DERAILS Derails are safety devices designed to limit unauthorized movement of a car or locomotive beyond a specific point. The most frequent use of derails is to prevent unauthorized movement of equipment from a side track onto a main track. Derails are sometimes used to prevent the movement of equipment onto portions of a side track where it might cause an accident or damage. FROGS AND GUARD RAILS Frogs are special pieces of trackwork that enable flanged wheels to cross from one rail onto another rail. Guard rails consist of a rail or series of rails that lay parallel to the running rails of a track
  33. 33. TURNOUT <ul><li>I have used the word &quot;turnout&quot; to describe the junctions in trackwork where lines diverge or converge so as to avoid &quot;points&quot; (UK) or &quot;switches&quot; (US), both of which terms can be confusing.  In the railway &quot;trade&quot;, turnouts are referred to as &quot;switch and crossing work&quot;.  A turnout consists of a number of parts as follows: The moving part of the turnout is the switch &quot;blade&quot; or &quot;point&quot;, one for each route.  The two blades are fixed to each other by a tie bar to ensure that when one is against its stock rail, the other is fully clear and will provide room for the wheel flange to pass through cleanly.  Either side of the crossing area, wing and check rails are provided to assist the guidance of the wheelsets through the crossing. </li></ul>
  34. 34. TYPE OF TURNOUT
  35. 35. GUARD RAIL
  36. 36. TURN TABLE
  37. 37. CROSSING <ul><li>Crossing are provided to transfer Train from one track to the other. The tracks may be parallel or diverging or converging each other. </li></ul><ul><li>IMPORTANCE </li></ul><ul><ul><li>To passing one line to another line. </li></ul></ul>
  38. 38. <ul><li>DIFFERENT </li></ul><ul><li>TYPES OF </li></ul><ul><li>CROSSING </li></ul>
  39. 39. RAIL MAINTENANCE
  40. 40. JAM AT CROSSING POINT
  41. 41. PRESENT RAIL ROUTE IN BANGLADESH
  42. 42. PROPOSED RAIL ROUTE IN BANGLADESH
  43. 43. COMMUTER RAIL ROUTE IN BANGLADESH
  44. 44. ANY QUESTION ?
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×