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Published in:
2021 | OriginalPaper | Chapter
Experimental Study of Self-cleaning Concrete by Using Various Photocatalysts
Authors : Geethu Benny, Gayathri Krishna Kumar
Published in: Proceedings of SECON 2020
Publisher: Springer International Publishing
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Abstract
A construction material that removes pollutants from the air as it keeps its surface clean. This new astonishing concrete that not only keeps itself clean but also removes pollutants from the air is called Self-Cleaning Concrete. Self-cleaning concrete is a technique to reduce the air contaminants such as NOx, SO2, CO2 and VOC’S from vehicular traffic on streets, any industrial activity and the urban environment. In this paper a study has been carried out on the compressive strength of self-cleaning concrete by introducing the photocatalytic materials such as titania (TiO2), zinc oxide (ZnO), aluminium oxide (Al2O3). Self-cleaning property of the photocatalytic concrete is studied by using RhB (Rhodamine dye) discolouration under UV light, a standard test for self-cleaning cementitious materials. The properties of self-cleaning concrete is then compared with the that of M25 grade normal concrete and the results are studied.