Elasto-plastic stress analysis of an insulated rail joint (IRJ) with a loading below shakedown limit
Mandal, Nirmal, Dhanasekar, Manicka, & Boyd, Paul (2009) Elasto-plastic stress analysis of an insulated rail joint (IRJ) with a loading below shakedown limit. In Bracciali, Andrea (Ed.) Proceedings of the 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, AB Editore 2009 on behalf of the CM2009 Organizing Committee, Palazzo degli Affari, Florence, pp. 773-781.
A finite element numerical simulation is carried out to examine stress distributions on railhead in the vicinity of the endpost of a insulated rail joint. The contact patch and pressure distribution are considered using modified Hertzian formulation. A combined elasto-plastic material modelling available in Abaqus is employed in the simulation. A dynamic load factor of 1.21 is considered in modelling for the wheel load based on a previous study as part of this on going research. Shakedown theorem is employed in this study. A peak pressure load which is above the shakedown limit is determined as input load. As a result, a progressive damage in the railhead has been captured as depicted in the equivalent plastic strain plot.
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|Item Type:||Conference Paper|
|Keywords:||Rail Joints , Railhead Stresses, Finite Element Modelling, Wheel Loads, Shakedown|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Urban Development
|Copyright Owner:||Copyright AB Editore 2009 on behalf of the CM2009 Organizing Committee.|
|Copyright Statement:||No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form by any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission of the publisher. Permission may be sought directly from the editor's email: firstname.lastname@example.org|
|Deposited On:||06 Jul 2011 11:01|
|Last Modified:||13 Jun 2013 00:02|
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