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  4. Modeling degradation processes of switches and crossings for maintenance and renewal planning on the Swiss railway network
 
conference paper not in proceedings

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

ZWANENBURG, Willem-Jan
2006
6th Swiss Transport Research Conference - STRC 06

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 the degradation and deterioration processes of S&C often combined with an unsuitable way of data collection. This project will focus on understanding and modelling the degradation and deterioration processes of complete S&C and its components (ballast, sleepers, rail, frogs/crossings, sliding chairs, half set of switches etc) on geometrical scale and with regard to material deterioration. In close cooperation with the Swiss Federal Railways (SBB) and – if possible – other networks through the International Union of Railways (UIC), information will be gathered on S&C deterioration in combination with information on the trains which run over the S&C, the number of settings, axle loads, speeds, quality of the subsoil etc. The end product will consist of models and a computer tool which allow future prediction of maintenance and renewal needs of S&C on network, regional and local scale.

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