Ayad Subhy
New simplified approach for obtaining a reliable plateau value in fatigue analysis of bituminous materials
Subhy, Ayad; Lo Presti, Davide; Airey, Gordon
Authors
Davide Lo Presti
Professor GORDON AIREY GORDON.AIREY@NOTTINGHAM.AC.UK
PROFESSOR OF PAVEMENT ENGINEERING MATERIALS
Abstract
The Plateau Value (PV) based on the Ratio of Dissipated Energy Change (RDEC) approach has been proven to provide a unique relationship with the fatigue life, Nf, independent of loading mode, temperature and frequency. In this paper, a new simplified approach is proposed to compute the unique energy parameter PV. The results of this study show that applying the proposed method allows a unique fatigue power law to be produced and eliminates the ambiguity and variability in calculating PV. However, the study also shows that the PV-Nf fatigue curves for bituminous materials are dependent on material type which is contradictory to other studies dealing with PV. The study also highlights the importance of appropriately identifying the fatigue failure point prior to commencing any fatigue analysis.
Citation
Subhy, A., Lo Presti, D., & Airey, G. (2017). New simplified approach for obtaining a reliable plateau value in fatigue analysis of bituminous materials. Engineering Failure Analysis, 79, 263-273. https://doi.org/10.1016/j.engfailanal.2017.05.021
Journal Article Type | Article |
---|---|
Acceptance Date | May 3, 2017 |
Online Publication Date | May 3, 2017 |
Publication Date | Sep 1, 2017 |
Deposit Date | May 9, 2017 |
Publicly Available Date | May 9, 2017 |
Journal | Engineering Failure Analysis |
Print ISSN | 1350-6307 |
Electronic ISSN | 1350-6307 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 79 |
Pages | 263-273 |
DOI | https://doi.org/10.1016/j.engfailanal.2017.05.021 |
Public URL | https://nottingham-repository.worktribe.com/output/966953 |
Publisher URL | http://www.sciencedirect.com/science/article/pii/S1350630717301772 |
Contract Date | May 9, 2017 |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0
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