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Linear viscous approach to predict rut depth in asphalt mixtures

Al-Mosawe, Hasan; Thom, Nicholas; Airey, Gordon; Albayati, Amjad

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Authors

Hasan Al-Mosawe

NICK THOM NICHOLAS.THOM@NOTTINGHAM.AC.UK
Assistant Professor

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GORDON AIREY GORDON.AIREY@NOTTINGHAM.AC.UK
Professor of Pavement Engineering Materials

Amjad Albayati



Abstract

Rutting in asphalt mixtures is a very common type of distress. It occurs due to the heavy load applied and slow movement of traffic. Rutting needs to be predicted to avoid major deformation to the pavement. A simple linear viscous method is used in this paper to predict the rutting in asphalt mixtures by using a multi-layer linear computer programme (BISAR). The material properties were derived from the Repeated Load Axial Test (RLAT) and represented by a strain-dependent axial viscosity. The axial viscosity was used in an incremental multi-layer linear viscous analysis to calculate the deformation rate during each increment, and therefore the overall development of rutting. The method has been applied for six mixtures and at different temperatures. Finally, field data has also been used to check the applicability of the approach in real pavement design.

Citation

Al-Mosawe, H., Thom, N., Airey, G., & Albayati, A. (in press). Linear viscous approach to predict rut depth in asphalt mixtures. Construction and Building Materials, 169, https://doi.org/10.1016/j.conbuildmat.2017.11.065

Journal Article Type Article
Acceptance Date Nov 10, 2017
Online Publication Date Mar 20, 2018
Deposit Date Mar 29, 2018
Publicly Available Date Mar 29, 2024
Journal Construction and Building Materials
Print ISSN 0950-0618
Electronic ISSN 1879-0526
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 169
DOI https://doi.org/10.1016/j.conbuildmat.2017.11.065
Keywords asphalt mixtures, multi-layer linear viscous analysis, rutting, prediction, BISAR
Public URL https://nottingham-repository.worktribe.com/output/920551
Publisher URL https://www.sciencedirect.com/science/article/pii/S0950061817322407?via%3Dihub

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