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Track/Infrastructure Maintenance & Engineering

 

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Taking the ‘action not reaction’ future approach

4 August 2010 | By Philippe Gauderon, Head of SBB Infrastructure and Member of the SBB Management Board

Most of the SBB rail network is in good condition. That was the conclusion of an external survey commissioned by SBB and published in February 2010. Future maintenance and renewal of the rail infrastructure will cost significantly more than was previously assumed. SBB Infrastructure has embarked on a comprehensive action…

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Highly elastic tracks for ballast-type permanent ways

5 April 2010 | By Winfired Bösterling, Head of System Technology and in charge of Technical Sales, Development and Engineering, Vossloh Fastening Systems GmbH

The speed of today’s trains and the number of different regional specifications are factors posing stiffer challenges on modern track construction. Vossloh Fastening Systems is addressing these trends by developing new rail fastening systems for ballast-type tracks.

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FACILITIES SERVICES: expert for maintenance and renewal

5 April 2010 | By Arnold Schiefer, Member of the Executive Board, ÖBB-Infrastruktur AG

Following the merger of the two companies ÖBB-Infrastruktur Bau AG and ÖBB-Infrastruktur Betrieb AG into ÖBB-Infrastruktur AG on 3 October 2009, the two divisions Construction and Maintenance and INFRA.service were also consolidated with effect from 1 January 2010 (see Figure 1).

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TRACKELAST RPU – the ideal material for noise and vibration reduction

5 April 2010 | By Edilon Sedra

edilon)(sedra is a company active worldwide in the field of products for railway infrastructure projects. edilon)(sedra develops, manufactures and markets innovative, highly durable rail fastening systems for trains, trams, metros and crane tracks, which are an elementary part of the edilon)(sedra track systems.

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Changing the future

28 January 2010 | By László Mosóczi, Member of the Board, Chief Operating Officer, Head of MÁV Infrastructure

Hungarian State Railways Co. (MÁV) is characterised by limited market and financial opportunities which are determined by the obligation to sustain the level of service, the application of obligatory ticket prices, limited budgetary compensations and by limited debt raising opportunities. After a couple of decades, the first years of the…

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Major network investments will help reduce UK passenger disruption

12 December 2009 | By Craig Waters, Commissioning Editor

If a railway network is in need of track renewal, it is vitally important that the procedures are carried out to the best possible standards. Network downtime needs to be kept to an absolute minimum and it is therefore essential for infrastructure owners to invest heavily in high-tech track renewal…

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Predicting deterioration in track condition

23 January 2009 | By Dr. Nick Thom, Lecturer, School of Engineering, University of Nottingham, UK

With ballasted trackbed here for the foreseeable future, Dr. Nick Thom looks at ways of predicting the rate at which it deteriorates and the factors that affect it.

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Grinding and milling are essential to rail quality

23 January 2009 | By James Abbott, Technical Editor, Global Railway Review

Rail grinding helps to prevent the dangerous build-up of rolling contact fatigue, and also reduces running noise for line side communities. James Abbott, Technical Editor for Global Railway Review, assesses some developments and significant aspects of this important area of our industry.

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Developments in railway tracks

28 December 2008 | By Prof. Coenraad Esveld, Director of Esveld Consulting Services and Em. Professor of Railway Engineering, TU Delft

One of the most important developments in the last decade was the large scale application of slab track. This is in particular the case for high-speed tracks. In countries like The Netherlands, with very soft soil conditions, classical high-speed tracks could only be realised without massive soil improvements via grouting…

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A new process for the aluminothermic weld repair of discrete rail surface defects

3 December 2008 | By Professor Andrew McNaughton, Chief Engineer, Network Rail and Global Railway Review Editorial Board Member, Brian Whitney, Head of Rail Management, Network Rail and Ian Banton, Technical Development Manager, Thermit Welding (GB) Ltd.

Isolated rail head defects formed under traffic, detected either by visual inspection or ultrasonic flaw testing, can significantly reduce the service life of rails if not managed correctly. Surface initiated defects account for approximately 50% of all defects removed from Network Rail (NR) Infrastructure. These are predominately made up of…

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Comprehensive overhead-line inspection

3 December 2008 | By Uwe Richter, Overhead Contact Line Expert, Eurailscout

How the modern contacting and contactless inspection and analysis of overhead-line systems on normal and high-speed routes are a guarantee of safe railway operation without disturbances.

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Neopul’s dedicated work in Ireland

3 December 2008 | By Paulo Real Oliviera, Project Manager, Neopul

Details of how Neopul is actively working on some important projects in Ireland which include the Laois Traincare Depot, the LUAS Red Cow Rail Diversion and the LUAS B1-400 extension.