IN2ZONE Research project towards the Next Generation of Railway Transition
A. F. Esen (University of Leeds)
Y. Guo (TU Delft - Railway Engineering)
D. P. Connolly (University of Leeds)
B. Zuada Coelho (Deltares)
I. Szatmari (EVOPRO)
V. Markine (TU Delft - Railway Engineering)
V. Lojda (Lankhorst)
M. Garcia (UNIFE)
L. J. Véha (TU Delft - MAV)
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Abstract
IN2ZONE is an EU Funded project of Shift2Rail under Innovation Programme 3. The aim is to develop a next generation transition zone solution which is able to self-correct issues such as hanging sleepers, thus offering a step-change reduction in maintenance requirements compared to existing solutions. Firstly, to create a proof-of-concept design, three- and two-dimensional discrete element sleeper-ballast models were developed. The results obtained from numerical simulations were then used to guide the manufacture of full-scale prototypes for full-scale lab testing. A single sleeper section of a ballasted track was built and tested. Displacement transducers, load cells, pressure cells and accelerometers were positioned to investigate the occurrence of hanging sleepers. The elastic and plastic deformations, stress distribution, and accelerations in the track were obtained.
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