Cargando…
Railway track engineering
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York, N.Y. :
McGraw-Hill Education LLC.,
c2009.
|
| Edición: | 4th ed. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- A. Dedication
- B. Foreword
- C. Preface to the fourth edition
- D. Preface to the first edition
- 1. Indian railways and its track structure
- Evolution of the railway track
- Structure of the railway track
- Gauge
- Change of gauge
- Axle loads and train resistance
- Grades
- Schedule of dimensions
- Over dimensional consignment
- Coning of wheels and canting of rails
- Indian railways: an overview
- 2. A. Iron and steel & b. Rails
- Importance of iron and steel in track
- Iron from iron ore
- Elemental iron
- Carbon: role in iron and steel
- Steel for rails
- Conventional rail making
- Modern steel making process: concast route
- Continuous casting prevents piping
- Significance of rolling process in rail making
- Effect of other constituents of rail steel
- Nitrogen and hydrogen
- Careless heating and cooling of rail steel
- Austenitic manganese steel (ams) for crossings
- Function of a rail
- Requirement of rail section
- Types of rails
- Standard rail section?main features
- Rail sections on indian railways
- Marking on rails
- Rail length
- Rail specifications
- Defects in rails
- Rolling contact fatigue (rcf)
- Rail corrugation
- Flattening of rail table
- Corrosion or rusting
- Wear of rails
- Turning and transposing of rails
- Use of wear resistant rails
- Service life of rails
- Fracture toughness and fatigue in rails
- Classification of rail failures
- Rail flaw detection
- Reporting of rail failure
- Rail lifting and handling
- 3. Rail joints
- Need for rail joint
- Requirement of rail joint
- Design of fishplated joints
- Features of fishplate design
- Standard fishplated joints
- Problems of the rail joint
- Lubrication of rail joints
- Suspended or supported joints
- Expansion gaps at the rail joints
- Staggering of joints on curves
- Avoidance of joints
- Combination fishplates
- Combination welded rail joints
- Joggled fishplates
- Mitred rail joints
- Insulated rail joints
- Modern development in insulated rail joints
- Maintainability of rail joints
- 4. Sleepers
- Historical development
- Requirements
- Sleeper spacing and sleeper density
- Types of sleepers
- Wooden sleepers
- Cast iron sleeper
- Steel sleepers
- Concrete sleepers
- Concrete sleepers for rail joints
- Concrete sleepers for curves
- Wider concrete sleepers for heavy density routes
- Concrete sleepers for turnouts
- Concrete sleepers for level crossings
- Concrete sleepers for guard rails
- Shallow sleeper
- Gfn liners
- Design of sleepers
- Stress in wooden sleepers
- Stress in concrete sleepers
- 5. Rail to sleeper fastenings
- Conventional fastenings for wooden sleepers
- Conventional fastenings for steel trough sleepers
- Conventional fastenings for cast iron sleepers
- Elastic fastenings
- Logwell forge g clip
- Track accessories for special locations
- Check rails and guard rails
- 6. Railway curves
- Necessity of curve
- Classification of curves
- Degree of a curve
- Degree and radius of curves, taking off from main line curve
- Relations between the parts of a circle
- Setting out curves
- Superelevation or cant for railway track
- Transition curves
- Realignment of curves
- Curve corrector
- Extra lateral clearance on curves
- Movement of vehicles on curves
- Vertical curve.
- 7. Switches and crossings
- Switches and crossings
- Switch assembly (fig. 7.2)
- Crossing assembly
- Turnouts (fig. 7.13)
- Other common layouts
- Inspection and maintenance of switches and crossings
- Rebuilding/resurfacing of switches and crossings
- Turnout renewals and provision of new turnouts
- Lwr/cwr through points and crossings (fig. 7.29)
- Design of turnouts for higher speed in indian railways
- New 1 in 12 turnout for passenger yards
- New generation of turnouts adopted by delhi metro
- Turnouts on konkan railway
- 8. Ballast and formation
- Standard track nomenclature
- Ballast
- Ballast profiles/sections/depth of cushion
- Blanket/sub-ballast
- Formation
- Unstable formations
- Formation treatment methods
- Substructure maintenance management using ground-penetrating radar
- 9. Welding of rails
- Gap between rail ends
- Methods of welding of rail joints
- Weld strength with various welding techniques
- Methods to reduce weld failure
- Thermal forces in short welded rails
- Manual of instructions
- Track structure for swr
- 10. Long welded rails
- Long welded rails
- Some important definitions
- Measurement of rail temperature
- Permitted locations of lwr/cwr
- Track structure for lwr/cwr
- Laying of long welded rails/continuously welded rails
- Maintenance of lwr/cwr
- Movement of rail ends at the sej-hysteresis effect
- Rectification of rail fractures
- Buffer rails
- Schedule of speed restrictions of various works
- Work chart and authorised level of supervision
- 11. Conventional?manual track maintenance practices
- Track structure and its maintenance needs
- Items of track maintenance
- Packing and overhauling of track
- Picking up slacks
- Observance of sleepers under passage of traffic
- Deep screening of ballast
- System of track maintenance
- Maintenance planning
- Record of gang work
- Permanent way inspector's section register
- Phenomenon of creep in railway track
- Buckling of track
- Maintenance of rail joints
- Raising and lowering of track
- Level crossing
- Maintenance of track circuited areas
- Track maintenance in electrified areas
- Engineering signals for protection of trains
- Diversions
- Gang strength
- Jurisdiction of permanent way inspector and assistant inspector.
- 12. Mechanised track maintenance
- Mechanised track maintenance
- Track tamping machines
- Plassermatic 06?16 slc on-track tamping machine
- Universal main liner 06-16, universal tamper (ut)
- Duo-matic 08-32 on-track tamping machine
- New features in the lifting, levelling and lining systems of 08 and 09 series of plasser track tamping machines
- Sleeper crib shoulder consolidating machine-vdm-800 v (fig. 12.10)
- Points and crossing tamping machine [fig. 12.11 (a)]
- Unimat 08-275 3s switches and crossing tamping machines [fig. 12.11 (b)]
- Ballast cleaning machines (fig. 12.12)
- 09-csm continuous action tamping machine (fig. 12.13)
- Universal ballast distribution and grading machine?usp 303 (fig. 12.15)
- Dynamic track stabiliser (dts) [figs 12.16(a)?(b)]
- Multipurpose tamping machine (fig. 12.17)
- Ahm?800 r formation rehabilitation machine (fig. 12.18)
- Time economy and mechanised track maintenance
- Small track machines
- 13. Directed maintenance of track: track management system
- Introduction
- Track maintenance under dtm
- Systematic maintenance
- Periodical inspection and need based maintenance
- Occasional maintenance works
- Gang charts and annual review
- Organisation of dtm
- Instruments and equipment of dtm unit
- Modern track management system
- Track management system on indian railways
- Mechanised track maintenance system for konkan railway
- 14. Measured shovel packing
- General
- Equipment required for measured shovel packing
- Through measured shovel packing of flat bottom sleeper track
- Measured shovel packing of joint wooden sleepers
- Dehogging of rails ends (fig. 14.17)
- Measured shovel packing of points and crossings
- Discontinuous measured shovel packing with abatement (amsp)
- Measured tube packing (mtp)
- Measured shovel packing versus on-track tamping
- Machines for msp
- 15. Track renewal
- Preamble
- Classification of renewals
- Criteria for track renewal
- Speed restrictions during track renewal
- Manual track renewal
- Mechanised track renewal
- Track relaying train: pqrs and its limitations
- Track relaying train?p-811s
- Sleeper changer
- Appendix 15.1
- Observation
- 16. Modern track construction
- Modern track construction
- Conventional railway location survey
- Modern survey techniques
- Geo technology in aid of sub grade preparation
- Major constituents of track work
- Mechanised track construction.
- 17. Track tolerances, track inspection and track recordings
- Track tolerances
- Service tolerances laid down in indian railways
- Track inspections
- Track recordings
- Track recording cars
- Oscillograph car
- Portable oscillations monitoring system oms-2000
- Correlation between amsler track recording car and oscillograph car results
- Standard deviation as a measure of track irregularity
- Microprocessor based track monitoring system
- Track geometry index (tgi) for standard deviation based assessment of track geometry
- Plasser and theurer's modern track recording cars
- 18. High-speed track
- Concept of high-speed train
- Technologies for high-speed operations
- Ballastless track, preferred track structure for high-speed operation
- Construction parameters as adopted on exclusive high-speed corridors
- Ballastless track technologies of high-speed railway lines
- Track structure best suited for high-speed lines in india
- Monitoring of high-speed lines
- Track maintenance on japan's tokaido-shin-kan-sen line
- Maglev guideway trains?high-speed trains of the 21st century
- Moderate increase of speed on indian railways
- Track structure and its maintenance
- Other requisites vis-?-vis high-speed tracks
- 'Shatabdi' trains on indian railways
- 19. Track stresses
- Introduction
- Bending stresses in the rail
- Thermal stresses
- Rail wheel contact stresses
- Combined stresses in the rail head
- Formation pressure
- Fishplate and bolt hole stresses
- Dynamic overloads at joints due to unsuspended masses
- Track deterioration and maintainability of track
- Maximum permissible speed of a rolling stock
- Permissible speed of wdm4 locomotive on 90r, m + 4, 20 cm ballast cushion track
- 20. Track standard and track rehabilitation
- General
- Factors influencing choice of track structure
- Choice of rails
- Choice of sleepers
- Switches and crossings
- Track structure versus sub-grade stresses
- Classification of lines
- Track structure for broad gauge routes
- Dedicated freight corridors?construction parameters and track structure
- Track rehabilitation
- Reconditioning of cast iron sleepers
- Annexure 1
- 21. Special types of tracks
- Need for special types of tracks
- Track for washable aprons
- Track for carriage examining and washing lines
- Ballastless track
- Rail-cum-road tracks at level crossings
- 22. Derailment investigations
- Accidents and their causes
- Derailment investigations and mechanisms
- Vehicle oscillations and their effects
- Effect of track or vehicle twist on wheel off-loading
- Lateral stability of track
- Site investigations after derailment
- Rolling stock suspension system
- Rolling stock defects
- Important features of the main types of rolling stocks used on indian railways
- Operating features
- Track defects.