Degradation Processes of Railway Switches & Crossings, Fachbücher
69,90 €
Approximately 25 percent of the budget for the maintenance and renewal of railway tracks -in Switzerland more than a billion Swiss Franks- is used for the switches (a.k.a. points or turnouts) and crossings (S&C). While in the mean time the budget expenditure for the maintenance and renewal of plain track is optimized with e.g. the help of decision support systems, for S&C this optimisation stays rather rudimentary. One of the identified causes thereof is the lack of insight in the degradation and deterioration process of S&C. This study therefore combined several databases of the Swiss Federal Railways (SBB CFF FFS). Statistical analyses are carried out on them to retrieve the lifetime of expectancy of complete railway S&C and their respective components, e.g. point rails, stock rails, frog. The expected lifetimes are attributed to different parameters which influence the speed of geomet.
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