Moisture Susceptibility of Modified Asphalt Concrete Containing Titanium Dioxide

The aim of this research was to establish the asphaltic mixture using modified nano-titanium dioxide (TiO 2 ) modified binder according to Superpave mix design method.The specimens were mix with 5.7% bitumen content at desire temperature and compacted by using Superpave mix design and evaluated for the moisture sensitivity according to Modified Lottman Test.The result shows that the specimens with 8% additive have significantly higher ITS and better resistance to water damage with lower air void.Furthermore, the ITSR results indicate that specimens containing 6% additive exhibited higher were the value 91.44% compared with the control specimen.All in all, modified nano-TiO 2 is suitable to be used as additive in warm mix asphalt and extend lab testing should be conducted to further understanding the characteristics of nano-TiO 2 modified binder and mixes. .