Introduction of a new railway system and its basic layout. Defined as track components that exist to provide a means whereby trains may be directed from one track or. Generally speaking, unless the difference between the rail head. The purpose of this thesis is to study the influence of design parameters on dynamic response of the railway track structure by implementing finite element method fem.
Ballast forms the bed upon which railway sleepers or railroad ties are laid. Mod uk railways permanent way design and maintencance. Important functions of ballast to transfer and distribute the load form sleepers to a larger area of formation. They are used by trains to transport people and things from one place to another. Ppt railway engineering powerpoint presentation free. They do not rely upon any conductive steel or concrete components for structural. To provide necessary resistance to track for longitudinal lateral stability.
Most of the physical systems and their components deteriorate over time. It enables trains to move by providing a dependable surface for their wheels to roll upon. The first, rt 670, railway track maintenance i, covers fundamentals of railway engineering. Because of the separate particularity of steel rails, so it is necessary to use rail joint bar to connecting the rails together so that the it can prevent the loosing of rail track. Trbs transit cooperative research program tcrp report 155. An empirical approach is regarded as the best method to. Railway turnouts types and railway turnout components. Recommended practices for the welding of rails and related. Trackwork listing page from the online railway and train products directory. Apr 06, 2018 there are some important railway track components in the construction of railway track. Pdf the ability of newer trains to run faster and carry heavier loads, coupled with the continuously growing traffic volumes in modern rail. Description of the book the railway track and its long term behaviour. The track is the steering base for the train and has evolved from.
Recommended practices for the welding of rails and related rail. As a result, it is seen that the proposed method works smoothly on the railway line and successfully monitors the condition. Thus, possible faults can be prevented by early detection of faults that can occur. Pdf identification of railway track components and defects by.
Introduction to railway infrastructure university of kentucky. This sleeper rests on ballast supports by subgrades. This is an informational post, please check the components of railway track page if you are searching for the product. The track on a railway or railroad, also known as the permanent way, is the structure consisting. Design of railway track for speed and highspeed railways. Figure 1 basic structure and function of railway tracks. If you continue browsing the site, you agree to the use of cookies on this website. To give a train a good ride, the track alignment must be set to within a millimeter of. In the context of railway track components, wei et al.
We offer railway consulting survives in railway track linking, railway track laying, railway maintenance. Track components and materials iii5 565 noitarugifnoc larutcurts 2. The railway vehicle can be traced during transportation to track the railway track and its components. A good quality and strong aggregate materials, steel i section to use in the construction of railway tracks. Chapter 5 track components and materials track design. Ppt railway engineering powerpoint presentation free to.
Railroad track structure system design 3 design of economical alternatives to the solid sawn wood tie, including an associated rail fastening system. Most modern concrete sleepers will have inclined rails. The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, railroad ties sleepers, british english and ballast or slab track, plus the underlying subgrade. The track is a fundamental part of the railway infrastructure and represents the primary distinction between this form of land transportation and all others in that it provides a fixed guidance system.
In many countries, the traditional railway system is the ballasted track, which consists of rails, rail pads, and concrete sleepers ties laid on ballast and subgrade. Such empirical models operate with the assumption that certain maintenance and train operation practices are followed, or that specific track types or track components are in use. Reference text rt 671 is the second of two texts on railway track maintenance. This testing method is subject of a study in the current dynatrack project at delft university of technology. Apr 25, 2014 components of railway track gauge inner to inner distance between two rails. To provide elasticity and resilience to track for getting proper riding comfort. Jun 30, 2015 railway track components overview rail sleeper, rail fishplate, rail fasteners and rail spike jun 30, 2015 this is an informational post, please check the components of railway track page if you are searching for the product. L i a r g a p y a w l i a r s e n i l e d i u g l a s i a r p p a t c e j o r p 8 1. We deal indian railway projects as well private industries projects. For railroad professionals from progressive railroading magazine. Fh martin kowalski of pfleiderer i was able to incorporate the latest information of the rheda system in the chapter on slab track. Level crossing elements mounting components for track rails overload protection teknicross rubber level crossings for. Dynamic properties of railway track and its components. A railway track or railway line is a set of two parallel rows of long pieces of steel.
The track on a railway nonus or railroad us, also known as the permanent way, is the structure consisting of the rails, fasteners, sleepers and ballast or slab track, plus the underlying subgrade. Railway track components in the modern railway tracks. Railway track design 233 233 on a more discrete level, the designer must take the basic components of alignments, tangents, grades, horizontal and vertical curves, spirals and superelevation and construct an alignment, which is cost effective to construct, easy to maintain, efficient and safe to operate. Identification of railway track components and defects by analysis of wheelrail interaction noise conference paper pdf available july 2016 with 2,388 reads how we measure reads. Rail joint bar is an important railway accessory in fastening the rail track, the main function is to link the rail ends together. This chapter deals with the vibration measurement techniques and the dynamic behaviours of ballasted railway tracks, and in particular their major components. For clarity it is often referred to as railway track british english and uic terminology or railroad track predominantly. Track design and construction is part of a complex and multidisciplinary engineering science involving. The design of railway lines under the current standard stn 73 6360 including the comparison of railway line parameters to the european standard en 8031 and a new proposal in accordance to the new prepared standard stn 73 63601 of slovak railways zsr. Lisbon, portugal 2 developed and used to acquire video in the field of different track classes. Railway track components pdf 1 track components e begin our study with the prime component of the track the rail. Track is a dynamic system of interacting components that distributes the loads and provides a smooth, stable running surface for rail vehicles. A new approach for condition monitoring and detection of.
Installation and maintenance standards for captive rail track 71. Railway track components overview rail sleeper, rail. For clarity it is often referred to as railway track british english and uic. A railway track is a combination of rails, sleepers, ballast, and subgrades. The railway track is a permanent way for all trains. A new approach for condition monitoring and detection of rail.
Railway track maintenance i is divided into three chapters. In america, people say railroad as well as railway. Railway track components give the foundation of whole railway track system like steel rail and railway sleeper. The power source of all the components is an electrical motor installed in each train. The motor is controlled by an onoff power switch, instead of a microcomputer.
Railway track components overview rail sleeper, rail fishplate, rail fasteners and rail spike. However, in terms of the reliability and safety parameters, we have not yet reached truly global standards. Development of a machine vision system for inspection of railway track components resendiz, esther. The use of track components reconditioned by welding is a decision of the rail owner outside the scope of this document. Compromise joints consist if two bars an outside joint bar and a gage side joint bar. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A seminar presentation civilengineering 2018 rajasthaninstituteof engineeringandtechnology jaipur submittedto. Railway track components overview rail sleeper, rail fishplate, rail fasteners and rail spike jun 30, 2015 this is an informational post, please check the components of railway track page if you are searching for the product. Often, there is more than one set of tracks on the railway line. Since specific track data is used, the result is a rail system dependent planning system. Rails and related rail components for use by rail vehicles aws d15.
It discusses briefly on the track structures and track components in order to provide the foundation of understanding ballasted railway tracks. For example, trains go east on one track and west on the other one. However significant quantities of track in mod depots have vertical rail due to economy of components. Furthermore essential information on track components were provided by the suppliers, for which i.
Pdf identification of railway track components and defects. Railway engineering made easy gate handwritten notes. Crossover tracks, double crossovers including the central crossing frogs or diamond area. Common maintenance jobs include changing sleepers, lubricating and adjusting switches, tightening loose track components, and surfacing and. The rails used in the construction of railway track are of following types. Pdf dynamic properties of railway track and its components. One such alternative is a tie that performs in a manner similar to that of the standard wood tie and cut spike system for use in. A proper quality of a track and other infrastructure objects represents a basic requirement for train safety and punctuality. As a manufacturer that is specialized in making rail products over 20.
Funnction of formation the formation has the following functions it provides a smooth and uniform bed on which the track is laid. According to the association of american railroads, ptc is up and running on over 98 percent of the class 1 rail mileage required by law to have it. The mechanical behaviour of a track is an a lyzed using 2d and 3d finite element models wherein the track and moving train have been incorporated. Untreated steel nuts and bolts and highstrength nuts and bolts for fishplates and fastenings 90. Combining cost effective repair techniques with a strict adherence to safety ensures each job is done right the first time. Rahul component parts of a permanent way following are the components of a permanent way.
Feb 22, 2017 railway track components give the foundation of whole railway track system like steel rail and railway sleeper. It is used to bear the load from the sleepers, to facilitate drainage of water, and also to keep down vegetation that might interfere with the track structure. Here, i present a new railway system that consists of several components such as a train, a track, a reverse module, a loader module, and an unloader module. Rail track is a fundamental part of railway infrastructure and its components can be classified into two main categories. Railway components technical delivery requirements part 4. The gsm global system for mobile communications, gps global positioning system and microcontroller based broken railway track detection when implemented is an. One such alternative is a tie that performs in a manner similar to that of the standard wood tie and cut spike system for use in spot tie replacements. Read chapter chapter 5 track components and materials. Railway track monitoring using train measurements mdpi. Pdf identification of railway track components and. One point is basically consists of single pair of tongue rails and stock rails with various necessary fittings. To give a train a good ride, the track alignment must be set to within a millimeter of the design. Specifications of the basic design parameters of these standards.
There are some important railway track components in the construction of railway track. Apr 04, 2018 formation the surface prepared to receive the ballast, sleepers, rails, etc for constructing the railway track is called formation or sub grade. Rails are the first main element in the railway track components. Railway engineering made easy gate handwritten notes download pdf please note. Components of railway track gauge inner to inner distance between two rails. Identification of railway track components and defects by analysis of wheelrail interaction noise. Railway turnouts and crossovers, including switches, frogs, guard rails, stock rails, and closure rails. Railway track fittings we are engaged in manufacturing and supplying a wide range of railway track fittings. The rail sections, whose foot and head are of same dimensions, are called double headed or dumbbell rails.
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