Destination Rail

May 27, 2016

n the H2020 funded DESTination Rail project (Decision Support Tool for Rail Infrastructure Managers), ROD-IS are leading the work stream focused on predicting performance of railway bridges on the basis of information received from SHM installations. A detailed SHM plan devised by ROD-IS for the iconic Boyne Viaduct in Drogheda resulted in 35 days of measurement being recorded, consisting of 724 train passage events. We have used this data to calibrate a Finite Element model of the structure. Subsequently we performed a detailed study to calculate an appropriate dynamic allowance to be applied in an assessment of the bridge. We have also used the data to perform a probabilistic fatigue analysis at the monitored locations. The benefit of a probabilistic approach to the bridge owner is significant as the probability of fatigue failure can be calculated over the entire design life of the structure, based on just 1 month of SHM data! The next phase of our activities will be to develop a guideline document for Multi Criteria Performance Optimisation of Railway Infrastructure. This document will incorporate guidelines on probabilistic consideration of infrastructure deterioration. Further information can be found at www.destinationrail.eu
 

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