Abstract
Using an aging test method, “UV Aging test by pressed thin film samples”, a straight asphalt and a modified asphalt type-II binder were examined for their aging behavior. The results confirmed that this method is effective to simulate the outdoor exposure test, and ultraviolet-rays radiation is a severe factor to the surface compared with the conditions of the Pressure Aging Vessel test.Furthermore, addition of carbon black showed the tendency to prevent from changing in the chemical fraction by aging, and to restrain the producing of carbonyl group by ultraviolet-rays radiation. Therefore, carbon black will improve the durability of asphalt materials.
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