E3S Web Conf.
Volume 34, 2018International Conference on Civil & Environmental Engineering (CENVIRON 2017)
|Number of page(s)||7|
|Published online||19 March 2018|
Laboratory Study on the Fatigue Resistance of Asphaltic Concrete Containing Titanium Dioxide
Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, 83000, Batu Pahat, Johor Malaysia
2 MINT-SRC, Universiti Tun Hussein Onn Malaysia, 86400, Parit Raja, BatuPahat Johor, Malaysia
* Corresponding author: email@example.com
This study aims to evaluate the fatigue performance of modified asphalt mixture using Indirect Tensile Fatigue Test. Titanium Dioxide (TiO2) powder in a form of rutile was used for producing asphalt concrete with lower mixing and compaction temperature compared to conventional hot mix asphalt without reducing its physical and mechanical also resistance to fatigue. The characteristic of the asphalt and modified asphalt was evaluated using penetration test, softening test and rotational viscosity test. Titanium dioxide of 2%, 4%, 6%, 8% and 10% by weight of asphalt has been incorporated into unaged 80/100 asphalt mix in order to improvise its performance and to fulfill the objectives of this experimental study. As a result, TiO2 as an additive is potential to decrease the penetration and increasing the softening point of the asphalt. In terms of fatigue performance testing, addition TiO2 additive does help in improving the fatigue properties as it shows greater result than the control asphalt. In conclusion, TiO2 is great in improving fatigue properties.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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