Dosing asphalt mixture with CAP 50/70 modified with oil sludge
DOI:
https://doi.org/10.14808/sci.plena.2016.054213Keywords:
modifield binders, oil sludge, dosing of binders.Abstract
Modifiers asphalt binders, such as polymers, rubber tire minced, oily sludge oil, among others, have been studied to better adapt to these conditions of use. In contrast to CAP pure, modified ligands have non-Newtonian rheological behavior. In this study, modification of the asphalt binder CAP 50/70 was carried out using 10% and 20%, by weight, of masterbatch's from rubber scrap tires with oil sludge in the proportion 15/85 (CM1) and 85/15 (CM2) following standard DNER - 043 ME / 95, and evaluated about of tensile strength by diametrical compression (TSDC) behavior. The results showed that the mix with CM1 that behaves as ideal plastics, showed lager TSDC than CAP 50/70, in another hand, the mix with CM2 that behaves as pseudoplastic showed TSDC below than CAP 50/70, however, lager than standard DNER-ME 138/94.
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