This thesis aims to contribute to the growing body of warm mix asphalt (WMA) research by evaluating the differences in behavioral properties of three WMA mixtures, representing the three warm mix technology (WMT) categories (foaming, chemical additives, and organic waxes), relative to a control hot mix asphalt (HMA) in a specific set of conditions which is not well documented in literature. These conditions are: plant produced mixtures with all virgin aggregates and binder (i.e. no recycled materials) and no additives other than the warm mix technology. These mixtures were evaluated at low, intermediate, and high testing temperatures before and after a set of conditioning protocols (CPs), which utilized varying levels of isolated and combined oxidative, moisture, and freeze-thaw damage. A key feature of this thesis is that damage induced by these CPs has been benchmarked relative to measured field aging effects through studies which evaluated the three WMA mixtures and one HMA mixture used to obtain the results presented here, along with additional mixtures not considered in this thesis.
|Advisor:||Howard, Isaac L.|
|Commitee:||Cox, Ben C., Priddy, Matthew W.|
|School:||Mississippi State University|
|Department:||Civil and Environmental Engineering|
|School Location:||United States -- Mississippi|
|Source:||MAI 58/01M(E), Masters Abstracts International|
|Subjects:||Engineering, Civil engineering, Materials science|
|Keywords:||Chemical, Damage, Foaming, Warm mix asphalt, Wax|
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