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This work aims to investigate the field aging effect on binder rheology and structure and to establish the structure–rheological property relationships with the ultimate goal of predicting rheology of field aged binders. Three unmodified binders from different crude oil sources after varying field aging severities were examined in this work. The binders were extracted and recovered from pavement cores...
The microstructure–property relationship of Sasobit modified Warm Mix Asphalts (WMA) is investigated in terms of thermal, rheological and morphological studies. Four asphalt binders with different types and grades and two Sasobit concentrations (1% and 3% by weight) are included in this study. A 3-D network structure or pseudo-solid like behavior of 3% Sasobit modified WMA is demonstrated. The network...
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