Use of bottom ash from thermal power plant and lime as filler in bituminous mixtures


  • E. López-López University of Cantabria
  • Á. Vega-Zamanillo University of Cantabria
  • M. Á. Calzada-Pérez University of Cantabria
  • M. A. Taborga-Sedano University of Cantabria



Waste treatment, Lime, Filler, Mixture proportion, Mechanical properties


This study focuses on the characterization of bottom ash (PCC-BA) and determining the mechanical characteristics of hot mix asphalt (HMA) using PCC-BA and hydrated lime (HL) as filler. Physical and chemical characterization of the bottom ash was carried out to evaluate its eventual reutilization as filler substitute. The materials tested in this study were made using 0%, 25%, 50%, 70% and 100% of PCC-BA combined with HL. HMA mixes were evaluated in terms of their engineering properties, namely: air voids in the mixes, water sensitivity, stiffness modulus, performance in wheel tracking test and fatigue resistance. The results obtained indicate that HMA mixes with a filler blend of 70% PCC-BA and 30% HL fulfil European standards and are suitable for light traffic or small infrastructures.


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How to Cite

López-López, E., Vega-Zamanillo, Á., Calzada-Pérez, M. Á., & Taborga-Sedano, M. A. (2015). Use of bottom ash from thermal power plant and lime as filler in bituminous mixtures. Materiales De Construcción, 65(318), e051.



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