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Investigations on ballastless tracks in tunnel without reinforcement

Liu, Jia ; Freudenstein, Stephan (2024)
Investigations on ballastless tracks in tunnel without reinforcement.
In: Electronic Journal of Structural Engineering, 2013, 13 (1)
doi: 10.26083/tuprints-00028162
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Investigations on ballastless tracks in tunnel without reinforcement
Language: English
Date: 30 September 2024
Place of Publication: Darmstadt
Year of primary publication: 1 January 2013
Place of primary publication: Melbourne
Journal or Publication Title: Electronic Journal of Structural Engineering
Volume of the journal: 13
Issue Number: 1
DOI: 10.26083/tuprints-00028162
Corresponding Links:
Origin: Secondary publication service
Abstract:

Ballastless track systems have delivered an optimal performance in the past decades. This ideal comes from the Continuously Reinforced Concrete Pavement or the Jointed Plain Concrete Pavement in road design. It can be deduced that a well-proved system for road pavement is applicable to ballastless track design after certain modifications, which could save materials and simplify the construction work as well. In this paper, a feasibility study of ballastless track forms, in which neither reinforcement nor dowel bars shall be applied have been investigated using Finite Element Analysis. The results show that this idea is feasible in long tunnel with hard and stabile substructure, if a joint spacing less than 4 m can be realized. Meanwhile, these kinds of systems cannot be applied for track with soft substructures such as mass-spring-systems, in which continuous double-layer-reinforcement and sufficient thickness of the track concrete layer are required.

Uncontrolled Keywords: Ballastless Track, Reinforcement, Finite Element Analysis
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-281626
Classification DDC: 600 Technology, medicine, applied sciences > 620 Engineering and machine engineering
600 Technology, medicine, applied sciences > 624 Civil engineering and environmental protection engineering
Date Deposited: 30 Sep 2024 13:53
Last Modified: 24 Oct 2024 07:04
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/28162
PPN: 52239681X
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