Review of factors affecting stress-free temperature in the continuous welded rail track
Review of factors affecting stress-free temperature in the continuous welded rail track
Railways have a significant role to play in sustainable transportation. Rail travel is currently the only mode of rapid, large-scale, long-distance transport for both freight and passengers that offers zero carbon dioxide emissions at the point of use. However, our railway infrastructure needs to be more robust and resilient to the combined effects of climate change, traffic growth and increases in vehicle loads and speed. Rail buckling is of increasing concern as environmental temperatures rise and traffic loads, speed and intensity of use increase. A key indicator and control of the propensity for track buckling is the stress-free temperature of the rails. However, determining the actual stress-free temperature of a given section of track is challenging. Knowledge of the factors affecting stress-free temperature will help in the identification of vulnerable sections of track and the development of an appropriate maintenance regime. This paper reviews and discusses the factors affecting stress-free temperature in ballasted railway track with continuous welded rails (CWR).
107-113
Skarova, Ana
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Harkness, John
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Keillor, Matthew
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Milne, David
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Powrie, William
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Skarova, Ana
0b628c6b-0a1c-42a4-9777-cbf9195ca581
Harkness, John
026f02e8-41d9-403f-83be-0d880058ecf1
Keillor, Matthew
60d3f512-8ed0-47b1-aa93-6f0706b5b68d
Milne, David
6b321a45-c19a-4243-b562-517a69e5affc
Powrie, William
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Skarova, Ana, Harkness, John, Keillor, Matthew, Milne, David and Powrie, William
(2022)
Review of factors affecting stress-free temperature in the continuous welded rail track.
Energy Reports, 8, .
(doi:10.1016/j.egyr.2022.11.151).
Abstract
Railways have a significant role to play in sustainable transportation. Rail travel is currently the only mode of rapid, large-scale, long-distance transport for both freight and passengers that offers zero carbon dioxide emissions at the point of use. However, our railway infrastructure needs to be more robust and resilient to the combined effects of climate change, traffic growth and increases in vehicle loads and speed. Rail buckling is of increasing concern as environmental temperatures rise and traffic loads, speed and intensity of use increase. A key indicator and control of the propensity for track buckling is the stress-free temperature of the rails. However, determining the actual stress-free temperature of a given section of track is challenging. Knowledge of the factors affecting stress-free temperature will help in the identification of vulnerable sections of track and the development of an appropriate maintenance regime. This paper reviews and discusses the factors affecting stress-free temperature in ballasted railway track with continuous welded rails (CWR).
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e-pub ahead of print date: 1 December 2022
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Local EPrints ID: 475054
URI: http://eprints.soton.ac.uk/id/eprint/475054
ISSN: 2352-4847
PURE UUID: 7a39385e-3199-46e9-b61c-51bb991af0a5
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Date deposited: 09 Mar 2023 18:59
Last modified: 17 Mar 2024 04:05
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Matthew Keillor
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