Effectiveness of Bio-Waste-Derived Carbon Doping on De-Icing Performance of an Electrically Resistant Concrete
Bakbolat B. Daulbayev C. Sultanov F. Taurbekov A. Tolynbekov A. Yeleuov M. Korobeinyk A.V. Mansurov Z.
November 2022MDPI
Coatings
2022#12Issue 11
This paper proposes a modified carbon-based concrete filler composition, which can potentially be used as a self-de-icing pavement. Carbon fibers (CNFs), graphene-like porous carbon (GLC), and a CNF/GLC composite were developed to reinforce concrete with the aim to improve its electrical conductivity and mechanical properties. The effect of the CNF and GLC loadings on the electrical conductivity of the filled concrete was evaluated in a climatic chamber at temperatures simulating water-freezing conditions on a concrete road. The results show that even a negligible loading (0.2 wt.%) of concrete with CNF/GLC results in a dramatic decrease in its resistance when compared to the same loadings for CNF and GLC added separately. Depending on the number of fillers, the temperature of the modified concrete samples reached up to +19.8 °C at low voltage (10 V) at −10 °C, demonstrating the perspective of their heat output for anti-icing applications. Additionally, this study shows that adding 2.0 wt.% of the CNF/GLC composite to the concrete improves its compressive strength by 33.93% compared to the unmodified concrete.
bio-waste graphene-like porous carbon , carbon fiber , de-icing , electrical resistance heating , modified concrete
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Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Institute of Combustion Problems, Almaty, 050000, Kazakhstan
National Laboratory Astana, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Department of Materials Science, Nanotechnology and Engineering Physics, Satbayev University, Almaty, 050000, Kazakhstan
Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, 8000, Denmark
Faculty of Chemistry and Chemical Technology
Institute of Combustion Problems
National Laboratory Astana
Institute of Nuclear Physics
Department of Materials Science
Aarhus Institute of Advanced Studies
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