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Industrial Waste Materials as Alternative Fillers in Asphalt Mixtures

Author

Listed:
  • Catalina Dimulescu

    (National Road Infrastructure Management Company, Center for Road Technical Studies and Informatics, 061127 Bucharest, Romania)

  • Adrian Burlacu

    (Department of Roads, Railways and Construction Materials, Faculty of Railways, Roads and Bridges, Technical University of Civil Engineering of Bucharest, 020396 Bucharest, Romania)

Abstract

One important role in asphalt mixture performances is represented by the filler content and characteristics. This research aims to assess the potential usage of industrial waste powders as replacers of the standard limestone filler in asphalt mixture composition. First of all, an SEM and EDX analysis was carried out to figure whether this industrial waste can be used in asphalt mixture composition by comparing the results of the industrial wastes with the properties of the standard filler. After a chemical evaluation, laboratory investigations were carried out to characterize the materials in terms of geometrical and physical properties. The research study involved sixteen dosages of limestone filler with four different types of industrial waste powders in different percentages used. The results obtained from laboratory testing suggested that the inclusion of industrial wastes in the manufacture of asphaltic mixtures may have benefits for the construction industry, the waste management sector, and also for the environment.

Suggested Citation

  • Catalina Dimulescu & Adrian Burlacu, 2021. "Industrial Waste Materials as Alternative Fillers in Asphalt Mixtures," Sustainability, MDPI, vol. 13(14), pages 1-18, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:14:p:8068-:d:597405
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    References listed on IDEAS

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    1. Ahmad Assi & Fabjola Bilo & Alessandra Zanoletti & Jessica Ponti & Andrea Valsesia & Rita La Spina & Laura E. Depero & Elza Bontempi, 2020. "Review of the Reuse Possibilities Concerning Ash Residues from Thermal Process in a Medium-Sized Urban System in Northern Italy," Sustainability, MDPI, vol. 12(10), pages 1-21, May.
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    Cited by:

    1. Andrei Forton & Adelin Stirb & Paul Marc, 2023. "Influence of Anti-Stripping Green Additives on Binder Performance," Sustainability, MDPI, vol. 15(5), pages 1-18, March.
    2. Rodica Dorina Cadar & Rozalia Melania Boitor & Mihai Liviu Dragomir, 2022. "An Analysis of Reclaimed Asphalt Pavement from a Single Source—Case Study: A Secondary Road in Romania," Sustainability, MDPI, vol. 14(12), pages 1-14, June.

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