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Yu, Z, Connolly, DP, Woodward, PK and Laghrouche, O (2019) Settlement behaviour of hybrid asphalt-ballast railway tracks. Construction and Building Materials, 208. ISSN 0950-0618
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Settlement behaviour of hybrid asphalt-ballast railway tracks - accepted version.pdf - Accepted Version Available under License Creative Commons Attribution Non-commercial No Derivatives. Download (2MB) | Preview |
Abstract
The use of structural asphalt layers inside ballasted railway tracks is attractive because it can increase track bending stiffness. Therefore, for the first time, this paper investigates the long-term settlement characteristics of asphaltic track in the presence of a subgrade stiffness transition zone. Phased load cyclic compression laboratory tests are performed on a large-scale hybrid asphalt-ballast track, supported by subgrade with varying stiffness. It is found that an asphaltic layer acts as a bridge to shield the subgrade from high stresses. It is also found that the asphalt reduces track settlement, and is particularly effective when subgrade stiffness is low.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 0905 Civil Engineering, 1202 Building |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Engineering |
| Publisher: | Elsevier |
| Related URLs: | |
| Date of acceptance: | 5 March 2019 |
| Date of first compliant Open Access: | 7 April 2022 |
| Date Deposited: | 07 Apr 2022 10:00 |
| Last Modified: | 07 Apr 2022 10:00 |
| DOI or ID number: | 10.1016/j.conbuildmat.2019.03.047 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/16613 |
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