Shoujing Yan1, Yangyang Wang2,*, Fengxia Chi1, Xue Luo2, Tianjie Zhang3, Chenchen Xi1
Journal of Renewable Materials, Vol.10, No.5, pp. 1321-1335, 2022, DOI:10.32604/jrm.2022.017545
Abstract Titanium dioxide (TiO2) was recently employed to apply onto road surfaces to degrade the harmful compounds from vehicle emissions. However, it remains a challenging task to find a highly compatible pavement type for TiO2 application to achieve durable and efficient air-purifying performance. This study proposed to coat TiO2 particles onto semi-flexible pavement surface and tried to investigate an optimum coating method. Three coating methods, including direct mixing TiO2 (MT) with asphalt mixture, spraying dry TiO2 (ST) coating and water-solution-based TiO2 (WT) coating on semi-flexible pavement surface. To achieve this objective, semi-flexible samples were prepared to evaluate and compare the performances… More >
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