Ximi Elga

BALLASTLESS TRACK PDF

ACCIONA Construction, in anticipation of the next surge of investment in rail infrastructure, and aware of the important role that the ballastless track will play in . Rail traffic is reaching out toward new horizons on ballastless track systems. The arguments are indeed convincing: long life cycles, top speed, ride comfort, and. Stabirail’s new ballastless track or slab track construction system. The most efficient method for laying railway tracks in concrete beds.

Author: Mokasa Arashijinn
Country: Jamaica
Language: English (Spanish)
Genre: Environment
Published (Last): 12 October 2013
Pages: 172
PDF File Size: 16.40 Mb
ePub File Size: 2.65 Mb
ISBN: 584-8-13773-899-8
Downloads: 28545
Price: Free* [*Free Regsitration Required]
Uploader: Tojami

Stability, precision, and ride comfort Long life cycles and practically no maintenance Flexibility and end-to-end effectiveness in application Basis for optimal routing of rail line. On ballastless tracks into the future of railways. For the structuraldesign of S. Special advantages of this type of structure are greater independency under unfavourable weather conditions and the possibility of opening to traffic soon after construction. Sinceit has official German approval for high-speed applications.

You take no chances with these systems, especially with newly constructed lines: European Slab Track Symposium The success of ballastless-track technology is primarily based on the following advantages: The restoration of the Berlin MRT system the S-Bahn enabled gaining of extensive valuable insights into the structural engineering of such track systems.

Bzllastless structure on the Hannover-Berlin line.

Comparison of Ballasted Track and Non-Ballasted Track

Therefore, ballastless tracks must be concreted within a tolerance of 0. Theory of track buckling Meier – critical rail temperature raise to against neutral temperature.

  HOTEL KEROBOKAN BOOK PDF

This sleeper is characterized by reduction in total structural height. Hence for a S.

The journey of ballastless track – Global Railway Review

There are plenty of differences between ballasted track and non-ballasted track, such as composition, construction, maintenance, cost, and so on. When the less engineering structures bridges and tunnelsthe high speed which requires efforts to increase resiliency of standard ballasted track and significantly reduced maintenance are taken into consideration, the slab track is traack superior to ballasted track.

Due to the rigid structure of S.

Measurements by inspection cars on different concrete slab tracks demonstrate that the Q—values for track geometry remain nearly constant with increasing service time. In in Germany, an innovative structure was installed at Rheda station, consisting of a continuously reinforced concrete slab to which exactly aligned concrete sleepers were monolithically fixed by means of filling concrete Figure 4.

The system is articulated around prefabricated concrete slabs, each of which contains two pairs of prefabricated blocks with premounted elastic fastening. We offer an extensive line of concrete sleepers and railway track systems for passenger traffic as well as freight- and heavy-haul transport.

Ballastless track systems: top performance on a firm foundation

While numbers vary depending on construction type and track infrastructure ballastless tracks are generally more suitable to infrastructures that are also made of concrete, as is the case in tunnels or on viaductsthe Deutsche Bahn estimated in that construction costs of ballastless tracks are 40 percent higher than those of traditional superstructure. Chinese Steel Rails Overview How to build a railway track? All systems developed up to now demonstrated that the required accuracy cannot be achieved without any additional construction bsllastless, e.

  LIVRO QUANDO ELA SE FOI HARLAN COBEN PDF

Variation coefficient of rail deflection.

Ballastless Track

The different systems have undergone extensive laboratory and field tests before implementation on grade, bridges and in tunnels. The use of prefabricated sleepers guarantees exact gauge and rail inclination, which is essential for a stable wheel-set run and less wear at high speed. Mortar is used to connect the 9-ton-slabs to the baallastless and to one another.

balastless Elastic mat under the slab. The traditional track whose bed is made up of ballast, also called ordinary track and what is often known as ballasted track. An excellent long-term behaviour was obtained to date. This experience resulted, for example, in further development of the full-block bi-block sleeper, to design the type B TS-M.

This wide rail seat spacing should not be used in high speed tracks due to the danger of periodic secondary deflections between the sleepers. Ballastless tracks therefore offer a high consistency in track geometrythe adjusting of which is not possible after the concreting of the superstructure. Mean static rail deflection kN-axle.