NDLI: Statistical analysis of the influence of RAP and mix composition on viscoelastic and fatigue properties of asphalt mixes

Content Provider	Springer Nature Link
Author	Mangiafico, S. Benedetto, H. Sauzéat, C. Olard, F. Pouget, S. Dupriet, S. Planque, L. Rooijen, R.
Copyright Year	2013
Abstract	This study aims at understanding from a statistical point of view the influence of several mix constituents on mechanical properties of asphalt mixes produced with RAP material. The study is developed in two steps. The first section is focused on the qualitative evaluation of the effect of varying certain mix design parameters (aggregate and filler nature, binder content and type) on mechanical properties of mixes containing 20 % of RAP material. Results of the statistical analysis showed that changes in binder nature and binder content have a statistically significant influence on complex modulus of mixes. The second section aims at quantitatively estimating the influence of RAP material content and fresh added binder penetration grade on complex modulus and fatigue life of mixes. Proposed quadratic models satisfactorily fitted experimental data, although some coefficients were not estimated as statistically significant by the software. Observed fatigue and complex modulus performances of mixes containing up to 60 % RAP material are quite encouraging from technical, economical and environmental points of view.
Starting Page	1187
Ending Page	1205
Page Count	19
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	48
Issue Number	4
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-12-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	RAP Complex modulus Fatigue Aggregate Filler Binder Mix-design Structural Mechanics Materials Science Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Civil Engineering Building Materials
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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