Study of wheel-rail impact at insulated rail joint through experimental and numerical methods
Zong, Nannan, Dhanasekar, Manicka, Bayissa, Wirtu, & Boyd, Paul (2010) Study of wheel-rail impact at insulated rail joint through experimental and numerical methods. In Key Technologies of Railway Engineering-High-speed Railway, Heavy Haul Railway and Urban Rail Transit, China Railway Publishing House, Beijing Jiaotong University, Beijing, pp. 356-360.
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As part of an ongoing research on the development of a longer life insulated rail joint (IRJ), this paper reports a field experiment and a simplified 2D numerical modelling for the purpose of investigating the behaviour of rail web in the vicinity of endpost in an insulated rail joint (IRJ) due to wheel passages. A simplified 2D plane stress finite element model is used to simulate the wheel-rail rolling contact impact at IRJ. This model is validated using data from a strain gauged IRJ that was installed in a heavy haul network; data in terms of the vertical and shear strains at specific positions of the IRJ during train passing were captured and compared with the results of the FE model. The comparison indicates a satisfactory agreement between the FE model and the field testing. Furthermore, it demonstrates that the experimental and numerical analyses reported in this paper provide a valuable datum for developing further insight into the behaviour of IRJ under wheel impacts.
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|Item Type:||Conference Paper|
|Additional Information:||This conference paper was awarded the Excellent Research Paper Award|
|Keywords:||Insulated rail joint , Wheel-rail contact; , rolling contact-impact, Plane stres, Finite element method (FEM), Strain signatures, Field testingS|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright 2010 China Railway Publishing House, Beijing|
|Deposited On:||10 Sep 2010 07:28|
|Last Modified:||01 Mar 2012 00:18|
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