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Safety & Security

 

Railways face continued growth in passenger ridership numbers and increased demand for rail freight operations. To cope, rail systems must adapt to their changing environment and provide networks that are both safe and secure.

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ERTMS implementation in Greece

28 November 2006 | By Ioannis G. Protopapas, Head of Railway Systems Department, ERGOSE S.A.

Though the Greek Railway Network is located far off Central Europe, ERGOSE S.A.1 is speeding up the efforts to comply with the interoperability requirements set by the European Community to facilitate unhindered, at least by technical barriers, cross-border operations at a European level and to introduce the technological evolutions of…

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Assessment of high-speed slab track design

28 November 2006 | By Coenraad Esveld, Professor of Railway Engineering and Global Railway Review Editorial Board Member and Valéri Markine, Assistant Professor, Delft University of Technology

Currently, all over the world, non-ballasted track concepts are being applied, although still at a moderate volume. If the low maintenance characteristics of slab track on open line are to be retained, great care must be taken to ensure that the subgrade layers are homogenous and capable of bearing the…

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Level crossings – OLA model cooperation

15 September 2006 | By Olle Mornell, Project Manager, Banverket

Covering 440,000km2, Sweden is a relatively large country – approximately the size and shape of California. However, the population is only nine million, which means a density of 20 persons per km2. Approximately 90% of the population lives in the southern third of the country. Sweden is located on the…

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Investment in track monitoring increases

15 September 2006 | By James Abbott, Technical Editor

Keeping on top of the condition of your track can pay dividends in terms of improved ride and reduced maintenance bills. Modern monitoring equipment allows engineers to plan predictive maintenance. Europe’s railways are stepping up spending on track testing and monitoring. Traditionally, track maintenance has been reactive: in this case,…

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The communication and signalling network of ÖBB

28 July 2006 | By August Zierl, Director of Technology Department, Friedrich Cerny, Signal Engineer and Herbert Müller, Leader of GSM-R Competence Centre, ÖBB-Infrastruktur Bau AG

At the beginning of the 1990s, and due to the occurrence of some heavy accidents, ÖBB began to look for a new train protection system to fit the requirements of an increased traffic capacity on the lines and as a result of this, the necessity to increase safety on the…

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Swiss ETCS implementation

28 July 2006 | By Hansjörg Hess, Head of SBB Infrastructure and member of the Management Board of SBB AG

ETCS has now become fully operational on one of Switzerland’s main lines. Since July 2006, ETCS Level 2 has been activated during the evenings to ensure the safe operation of revenue-earning services on the newly built Mattstetten–Rothrist route. At present, therefore, approximately 20 trains a day are being controlled by…

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Design of prestressed concrete sleepers

28 July 2006 | By Dr. Stephan Freudenstein, General Manager of Engineering and Development and Mr. Franz Haban, Project Engineer, RAIL.ONE GmbH

The basis for design work for prestressed-concrete sleepers in Europe is EN 13230, valid since October 2002: “Concrete sleepers and bearers.” A supplement to this standard is UIC 713: “Design of Monoblock Concrete Sleepers,” which provides a design example for a prestressed-concrete sleeper. The design bending moment calculated here accounts…

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Consultancies help out on major projects

28 July 2006 | By James Abbott, Technical Editor

Consultancy practices have an important role in providing technical expertise for railway projects around the globe. Historically, Europe’s big state railways were self-sufficient. All the engineering skills were on hand in-house: when a new project was sanctioned by the government, the state railway would generally be able to design and…

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Danish rail tracks – demanding more

31 May 2006 | By Eigil Sabroe, Chief Technical Officer, Banedanmark

Approximately 2,700 trains are in operation on the Danish tracks every day.They make use of over 3,240km of tracks, cross 2,342 bridges and intersect with roads at numerous points. The technology involved is mostly of the standard proven type,with a general inclination towards high quality.This is not a land of…

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Technology for maintenance works

3 April 2006 | By

The increasing change in traffic towards rail, the opening of the market in European railway traffic and the increasing responsibility for providers of railways make heavy demands on the quality and the availability of the rail infrastructure. Effective and efficient maintenance concepts are sought after more than ever. New ways,…

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Machines and technology for high-capacity lines

3 April 2006 | By Ing. Rainer Wenty, General Manager Marketing and Technical Sales, Plasser & Theurer Bahnbaumaschinen GmbH

Whenever the speed or capacity of a line is increased or a new line is built, the application of appropriate track maintenance and upgrading procedures is very important to enable optimal and efficient use of the lines. In addition to that, a high level of comfort and safety has to…

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Shape optimisation of a railway wheel profile

3 April 2006 | By Coenraad Esveld, Professor of Railway Engineering and Valery L. Markine, Assistant Professor of Railway Engineering and Ivan Y. Shevtsov, Researcher of Railway Engineering, TU Delft

Delft University of Technology has developed and successfully implemented a procedure for optimisation of a railway wheel profile. An optimised wheel profile reduces wheel/rail wear and prevents vehicle instability.

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The future of rail is here

3 April 2006 | By Craig Waters

The railway infrastructure market needs excellent, sustainable and economical track solutions – these are the words of Klaus Meusel, Member of the Managing Board, voestalpine Bahnsysteme GmbH & Co KG. However this is not merely commentary; voestalpine Schienen GmbH have invested more than €330m in a new rail manufacturing plant.…

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The ProRail outsourcing way

14 February 2006 | By James Abbott, Technical Editor

ProRail, the owner of the Dutch railway network, has gone further than most European rail infrastructure companies in putting maintenance and renewal work out to tender. James Abbott, Global Railway Review’s Technical Editor asks the questions that matter to two of ProRail’s employees – Mr. Jan Swier, Strategic Advisor for…