Field assessment of a subgrade-culvert transition zone constructed with foamed concrete in the ballasted railway

Huang, Z; Su, Q; Huang, J; He, X; Pei, Y; Yang, C

Field assessment of a subgrade-culvert transition zone constructed with foamed concrete in the ballasted railway

Huang, Z Su, Q Huang, J He, X

Pei, Y Yang, C

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Publisher:: Taylor & Francis
Publication Type:: Journal Article
Citation:: International Journal of Rail Transportation, 2023, ahead-of-print, (ahead-of-print), pp. 1-23
Issue Date:: 2023-01-01

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Field	Value	Language
dc.contributor.author	Huang, Z
dc.contributor.author	Su, Q
dc.contributor.author	Huang, J
dc.contributor.author	He, X https://orcid.org/0000-0001-5336-3663
dc.contributor.author	Pei, Y
dc.contributor.author	Yang, C
dc.date.accessioned	2024-04-23T06:15:58Z
dc.date.available	2024-04-23T06:15:58Z
dc.date.issued	2023-01-01
dc.identifier.citation	International Journal of Rail Transportation, 2023, ahead-of-print, (ahead-of-print), pp. 1-23
dc.identifier.issn	2324-8378
dc.identifier.issn	2324-8386
dc.identifier.uri	http://hdl.handle.net/10453/178297
dc.description.abstract	The subgrade-frame culvert transition section of a railway has been designed as an inverse trapezoidal shaped and filled with foamed concrete. Monitoring tests have been carried out to explore the performance of this structure, including long-term base settlement and base stress monitoring and dynamic response parameters monitoring. Based on the testing data, the distribution laws of the base stress and base settlement along the longitude direction of the transition section subgrade have been obtained. Distributions of the acceleration, dynamic displacement, and dynamic stress along the subgrade depth and along the longitude direction of the subgrade have been analysed respectively, and the attenuation coefficients of these three kinds of dynamic response parameters have been calculated. Also the relationship between the thickness of the foamed concrete layer and the dynamic response parameters has been explored. These demonstrated that the foamed concrete can improve the dynamic performance of the structure.
dc.language	en
dc.publisher	Taylor & Francis
dc.relation.ispartof	International Journal of Rail Transportation
dc.relation.isbasedon	10.1080/23248378.2023.2181877
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 0913 Mechanical Engineering
dc.subject.classification	4005 Civil engineering
dc.title	Field assessment of a subgrade-culvert transition zone constructed with foamed concrete in the ballasted railway
dc.type	Journal Article
utslib.citation.volume	ahead-of-print
utslib.for	0905 Civil Engineering
utslib.for	0913 Mechanical Engineering
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	University of Technology Sydney/Strength - CAMGIS - Centre for Advanced Modelling and Geospatial lnformation Systems
utslib.copyright.status	closed_access	*
dc.date.updated	2024-04-23T06:15:56Z
pubs.issue	ahead-of-print
pubs.publication-status	Published
pubs.volume	ahead-of-print
utslib.citation.issue	ahead-of-print

Abstract:

The subgrade-frame culvert transition section of a railway has been designed as an inverse trapezoidal shaped and filled with foamed concrete. Monitoring tests have been carried out to explore the performance of this structure, including long-term base settlement and base stress monitoring and dynamic response parameters monitoring. Based on the testing data, the distribution laws of the base stress and base settlement along the longitude direction of the transition section subgrade have been obtained. Distributions of the acceleration, dynamic displacement, and dynamic stress along the subgrade depth and along the longitude direction of the subgrade have been analysed respectively, and the attenuation coefficients of these three kinds of dynamic response parameters have been calculated. Also the relationship between the thickness of the foamed concrete layer and the dynamic response parameters has been explored. These demonstrated that the foamed concrete can improve the dynamic performance of the structure.

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http://hdl.handle.net/10453/178297