Publications de Willem-Jan Zwanenburg

Modelling degradation processes of switches & crossings for maintenance & renewal planning on the Swiss railway network

Approximately 25 percent of the budget for the maintenance and renewal of railway tracks –in Switzerland more than a billion Swiss Francs– is used for the switches (points) and crossings (S&C). While in the mean time the budget expenditure for the maintena ...

EPFL2009

Earthquake protection for high-speed rail traffic: risky business?

Willem-Jan Zwanenburg, Emilie Rascol, Sébastien Vecchiato

For earthquake protection of structures such as bridges, viaducts and embankments, a precise and safe dimensioning has to be calculated according to the soil profile, the location of potentially active faults and the local liquefaction risk, as they all in ...

WIT Press2009

Defining Degradation Processes of Switches Crossings for Maintenance Renewal Planning

Willem-Jan Zwanenburg

Approximately 25 percent of the budget for the maintenance and renewal of railway tracks is used for the switches (points) and crossings (S&C). While in the mean time the budget expenditure for the maintenance and renewal of plain track is optimized with e ...

2008

A model for the life expectancy of railway switches and crossings for maintenance and renewal planning in asset management systems

Willem-Jan Zwanenburg

With the help of databases of the Swiss Federal Railways (SBB CFF FFS), statistical analyses are carried out on the lifetime of railway switches (points) and crossings. The expected lifetimes are attributed to different parameters which influence the speed ...

Wit Press, Ashurst Lodge, Southampton So40 7Aa, Ashurst, England2008

A model for the life expectancy of railway switches and crossings and their components for maintenance and renewal planning in asset management systems

Willem-Jan Zwanenburg

2008

Railway switch replacements: always more-of-the-same?

Willem-Jan Zwanenburg

2008

The Swiss experience on the wear of railway switches & crossings

Willem-Jan Zwanenburg

Using databases of the Swiss Federal Railways (SBB CFF FFS), statistical analyses are carried out on the expected lifetime of railway switches (points) & crossings and their respective components. The expected lifetimes are attributed to different paramete ...

2007

Modeling degradation processes of switches and crossings for maintenance and renewal planning on the Swiss railway network

Willem-Jan Zwanenburg

Switches and crossings (S&C) form an important asset of modern day railways. Current Decision Support Systems for track maintenance and renewal however do not provide help on maintenance and renewal management of S&C, due to the lack of understanding of th ...

2006