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The Future of Road Pavement Materials: Towards the Improvement of Performances and Sustainability

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: 30 March 2025 | Viewed by 546

Special Issue Editor


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Guest Editor
Department of Theoretical and Applied Sciences, Università degli Studi eCampus, 22060 Novedrate, Italy
Interests: hot and cold recycling; waste materials in bituminous mixtures; clear binders; linear viscoelasticity and damage modeling; orthotropic steel deck pavements
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Special Issue Information

Dear Colleagues,

In recent years, many innovative materials and techniques have been introduced in the field of road pavements, with the aim of improving performance and reducing the impact on the environment during construction and service life. Indeed, the severe degree of climate change that is occurring on our planet is pushing pavement engineers to find solutions not only to limit the exploitation of natural resources, the generation of wastes, and the emission of pollutants but also to extend the durability of pavements and delay the necessity of maintenance interventions.

This Special Issue aims to collect up-to-date and high-quality studies that deal with the characterization and application of the aforementioned solutions, with a particular focus on the following topics:

  • Advanced materials for increasing the performance and durability of asphalt binders and mixtures;
  • Recycling of marginal materials and by-products from industrial processes in asphalt pavements;
  • Bio-binders, bitumen extenders, and replacers;
  • Structure performance, design, modeling, and service life prediction;
  • Advanced trends in rehabilitation and preservation.

Reviews and original papers correlated to the above themes and also dealing generally with methodologies, case studies, simulations, and experimental testing are welcome.

I look forward to receiving your contributions.

Dr. Edoardo Bocci
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-performing materials
  • innovative additives and bio-additives
  • re-use of marginal materials
  • recycling of reclaimed asphalt (cold, half-warm, warm, and hot techniques)
  • sustainable materials
  • environmental impact reduction
  • smart pavements
  • pavement asset management
  • life cycle assessment and cost analysis

Published Papers (1 paper)

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Research

20 pages, 12676 KiB  
Article
Influence of Bio-Additives on Recycled Asphalt Pavements
by Giuseppe D’Addio, Cristina Oreto, Nunzio Viscione and Rosa Veropalumbo
Materials 2024, 17(14), 3526; https://doi.org/10.3390/ma17143526 - 16 Jul 2024
Viewed by 304
Abstract
The construction and maintenance of asphalt pavements is a resource-consuming sector, where the continuous rehabilitation of the superficial layers demands large volumes of non-renewable resources. The present work focuses on the design and characterization of asphalt mixtures for the binder layer of an [...] Read more.
The construction and maintenance of asphalt pavements is a resource-consuming sector, where the continuous rehabilitation of the superficial layers demands large volumes of non-renewable resources. The present work focuses on the design and characterization of asphalt mixtures for the binder layer of an asphalt pavement containing 50% reclaimed asphalt (RAP), in which seven different bio-based additives, identified as R1A, R1C, R2A, R2B, R2C, R3A, and R3B, were added to improve the workability, strength, and stiffness properties. The experimental program envisioned the hot mixing of aggregates and RAP with either a 50/70 or a 70/100 bitumen and, in turn, each of the seven bio-additives. The asphalt mixtures underwent the characterization of their densification properties; air voids; indirect tensile strength (ITS); indirect tensile stiffness modulus at 10, 20, 40, and 60 °C; and rutting resistance at 60 °C. The results highlighted that the performance in terms of workability and ITS of the resulting mixtures depends on the type of bio-additive and largely on the fresh bitumen type, while the stiffness at high temperature is not significantly affected by the presence of the bio-additives. Full article
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