Analysis of a railway turnout system with a spot replacement sleeper
Paper
Paper/Presentation Title | Analysis of a railway turnout system with a spot replacement sleeper |
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Presentation Type | Paper |
Authors | Manalo, A. C. (Author), Aravinthan, T. (Author) and Karunasena, W. (Author) |
Editors | Samali, Bijan, Attard, Mario M. and Song, Chongmin |
Journal or Proceedings Title | Proceedings of the 22nd Australasian Conference on the Mechanics of Structures and Materials (ACMSM22) |
Number of Pages | 6 |
Year | 2013 |
Place of Publication | London, United Kingdom |
ISBN | 9780415633185 |
9780203520017 | |
Web Address (URL) of Paper | http://acmsm.org/ |
Conference/Event | 22nd Australasian Conference on the Mechanics of Structures and Materials (ACMSM22) |
Event Details | Rank B B B B B B B B B B B B B B B B B |
Event Details | 22nd Australasian Conference on the Mechanics of Structures and Materials (ACMSM22) Parent Australasian Conference on the Mechanics of Structures and Materials Delivery In person Event Date 11 to end of 14 Dec 2012 Event Location Sydney, Australia |
Abstract | The behaviour of a railway turnout system when one of the sleepers is replaced with a fibre composites sleeper is analyzed to simulate the spot replacement maintenance strategy. In the analysis, the rails and the sleepers are modeled as a simplified three dimensional grillage beam system with the sleepers as beams on elastic foundation. The most critical sleepers in the railway turnout system were assigned with a modulus of elasticity (MOE) of 4 GPa while keeping the elastic modulus of the other sleepers the same. The analysis showed that a spot replacement sleeper with a low MOE leads to a lowering overall stiffness of the railway track. It resulted in a reduction in the bending moment and shear and an increase in the vertical deflection of the sleeper directly under the rail seat load. Results also showed that a spot replacement sleeper material with an MOE of 4 GPa will distribute the load evenly in the neighboring timber sleepers. |
Keywords | railway sleepers; turnout; spot replacement |
ANZSRC Field of Research 2020 | 400510. Structural engineering |
400512. Transport engineering | |
Public Notes | © 2013 Taylor & Francis Group. Accepted version deposited in accordance with the copyright policy of the publisher. |
Byline Affiliations | Faculty of Engineering and Surveying |
Department of Agricultural, Civil and Environmental Engineering | |
Faculty of Education | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q1v38/analysis-of-a-railway-turnout-system-with-a-spot-replacement-sleeper
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