A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Rutting characterization of warm mix asphalt and high RAP mixtures
The objectives of this study were to perform a rutting characterization of warm mix asphalt (WMA) mixtures and mixtures containing high reclaimed asphalt pavement (RAP) and to determine the effects of production temperature and material type on permanent deformation. This study was based on data from the National Center for Asphalt Technology (NCAT) Test Track Phase IV research cycle and included a control section, two WMA sections and two sections with 50% RAP. Field measurements indicated that high RAP mixes had higher moduli and experienced lower vertical pressures than virgin mixes. The use of WMA technologies tended to increase permanent deformation while the addition of high RAP contents resulted in less rutting. Laboratory tests on recovered binders showed increased binder stiffness for high RAP mixes and no significant effect for virgin WMA mixes. Mixture tests of laboratory compacted samples did not reflect the observed field performance accurately.
Rutting characterization of warm mix asphalt and high RAP mixtures
The objectives of this study were to perform a rutting characterization of warm mix asphalt (WMA) mixtures and mixtures containing high reclaimed asphalt pavement (RAP) and to determine the effects of production temperature and material type on permanent deformation. This study was based on data from the National Center for Asphalt Technology (NCAT) Test Track Phase IV research cycle and included a control section, two WMA sections and two sections with 50% RAP. Field measurements indicated that high RAP mixes had higher moduli and experienced lower vertical pressures than virgin mixes. The use of WMA technologies tended to increase permanent deformation while the addition of high RAP contents resulted in less rutting. Laboratory tests on recovered binders showed increased binder stiffness for high RAP mixes and no significant effect for virgin WMA mixes. Mixture tests of laboratory compacted samples did not reflect the observed field performance accurately.
Rutting characterization of warm mix asphalt and high RAP mixtures
Vargas-Nordcbeck, Adriana (author) / Timm, David H. (author)
Road Materials and Pavement Design ; 13 ; 1-20
2012-06-01
20 pages
Article (Journal)
Electronic Resource
English
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