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Damage model for Environmental Conditioned Fatigue Test with CAST
Road Engineering/Sealing Components Laboratory, EMPA Duebendorf.
2008 (English)In: Fatigue & Fracture of Engineering Materials & Structures, ISSN 8756-758X, E-ISSN 1460-2695, Vol. 11, no 31, 967-979 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this paper is to suggest a unified test method that allows investigation into the different effects and contribution of water damage and temperature cycles on fatigue performance of asphalt mixtures by means of a CoAxial Shear Test (CAST). A continuum damage approach, based on the elasticity theory, is chosen to determine the damage level of each tested specimen. The proposed mathematical model allows the simulation of the modulus evolution in the fatigue test and takes into account the temperature cycles. In this way, a unique scalar damage factor determines the damage process severity in each specimen and allows a rational comparison between each different condition.

Place, publisher, year, edition, pages
2008. Vol. 11, no 31, 967-979 p.
Keyword [en]
asphalt mixtures, fatigue test, water damage, temperature cycles, damage model
National Category
Infrastructure Engineering
URN: urn:nbn:se:kth:diva-88779DOI: 10.1111/j.1460-2695.2008.01286.xISI: 000261250800005OAI: diva2:502411
TSC import 1823 2012-02-14. QC 20120216Available from: 2012-02-14 Created: 2012-02-14 Last updated: 2012-02-16Bibliographically approved

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Partl, Manfred
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