Published : 2022-09-23

Class C fly ash as a substitute for mineral fillers in asphalt mixtures

Abstract

The influence of class C fly ash as a substitute for mineral aggregate on the stability and density of asphalt mixtures containing 3.5−6 wt% of bitumen was investigated. For the fly ash concentration (in relation to the replaced aggregate) 25, 50, 75 and 100 wt%, the optimal asphalt content (OAC) was determined, respectively, 5.75, 4.82, 4.42, 4.4 and 4 wt%. The stability increased with the increase in the content of fly ash. The results confirm the possibility of replacing mineral aggregates with fly ash.



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Ali, S. ., Siddiqui, D. M. O. R., Noman, S. M. ., Beg, T., & Sun, D. . (2022). Class C fly ash as a substitute for mineral fillers in asphalt mixtures. Polimery, 67(9), 443–449. https://doi.org/10.14314/polimery.2022.9.5