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Better assesment of bituminous materials lifetime accounting for the influence of rest periods



Title: Better assesment of bituminous materials lifetime accounting for the influence of rest periods
Author(s): D. Breysse, V. Domec, S. Yotte, C. De La Roche
Paper category : conference
Book title: Fifth International RILEM Conference on Reflective Cracking in Pavements
Editor(s): C. Petit, I.L. Al-Qadi and A. Millien
Print-ISBN: 2-912143-47-0
e-ISBN: 2912143764
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 123 - 130
Total Pages: 8
Nb references: 8
Language: English


Abstract: Fatigue behaviour life of bituminous mixes is analysed using a specific two-points bending fatigue tests, modified to include rest periods. The response of the mix during fatigue and rest sequences is analysed and the parameters enabling to quantify the variation of stiffness with time (during rest) or loading (during fatigue) are defined and modelled. It is shown that the re-damaging rate after a rest period is a good indicator of non recoverable damage. Varying the experimental parameters that influence damage evolution, the respective weights of damage and healing are addressed.


Online publication: 2004-04-15
Publication type : full_text
Public price (Euros): 0.00


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