Reuse of Thermally Damaged Concrete as Recycled Aggregate in New Concrete
DOI:
https://doi.org/10.66987/EPKO.2026.11Keywords:
recycled aggregate concrete (RAC), recycled concrete aggregate (RCA), heat-damaged aggregate, modulus of fineness, compressive strengthAbstract
This study investigates the applicability of recycled aggregates derived from thermally damaged concrete at replacement ratios of 10–50%. The results indicate that at 10–25% replacement, compressive strength approaches the reference concrete, while a reduction is observed at 50%. Thermal treatment consistently improved mechanical performance, with several mixtures exceeding the reference strength. The original strength of the parent concrete did not show a clear correlation with the final performance. The findings confirm that, with appropriate pre-treatment, thermally damaged concrete can be effectively reused in the production of high-strength concrete.
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Copyright (c) 2026 Viktor HLAVIČKA, Tamás ZSIKLA, Éva Eszter MAJOROSNÉ LUBLÓY
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
