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Innovative Approaches in Asphalt Binder Modification and Performance

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

Deadline for manuscript submissions: 20 June 2025 | Viewed by 892

Special Issue Editors


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Guest Editor
School of Highway, Chang’an University, Xi’an 710064, China
Interests: asphalt aging behavior and mechanism; green and environmentally friendly materials; asphalt pavement

E-Mail Website
Guest Editor
School of Highway, Chang’an University, Xi’an 710064, China
Interests: pavement material; asphalt pavement; fatigue damage; meso-scale simulation; micro scale characteristic; discrete element method; mesoscopic cracking
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Special Issue Information

Dear Colleagues,

Asphalt binders are essential to the performance and longevity of road pavements, yet traditional binders face challenges such as aging, temperature fluctuations, and increasing traffic loads. To overcome these limitations, innovative approaches in binder modification, using polymers, nanomaterials, and bio-based additives, have emerged, significantly improving the mechanical and rheological properties of asphalt. These advancements enhance resistance to deformation, cracking, and environmental degradation, leading to more durable and resilient pavements.

In parallel, sustainable practices in binder modification are gaining attention. Researchers are exploring the use of recycled materials and environmentally friendly additives to reduce the ecological impact of pavement construction without compromising performance. Additionally, advanced characterization and testing methods are enabling more precise assessments of binder behavior, optimizing formulations for different climates and conditions.

This Special Issue invites original research and reviews on innovative approaches in asphalt binder modification and performance, including the following topics:

  • Novel modifiers for asphalt binders;
  • Advanced technologies in binder modification;
  • Performance evaluation and testing methods;
  • Durability and aging studies;
  • Sustainable approaches in binder modification.

We look forward to your valuable contributions to advance pavement engineering and infrastructure sustainability.

Dr. Yong Wen
Dr. Xiaokang Zhao
Guest Editors

Manuscript Submission Information

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Keywords

  • asphalt binder modification
  • innovative materials
  • performance evaluation
  • pavement engineering
  • sustainable additives

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Published Papers (1 paper)

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Research

20 pages, 4327 KiB  
Article
Suitable Granular Road Base from Reclaimed Asphalt Pavement
by Oswaldo Guerrero-Bustamante, Amparo Guillen, Fernando Moreno-Navarro, M. C. Rubio-Gámez and Miguel Sol-Sánchez
Materials 2025, 18(4), 854; https://doi.org/10.3390/ma18040854 - 15 Feb 2025
Cited by 1 | Viewed by 538
Abstract
The granular bases commonly used in the construction of road infrastructure projects often require a high consumption of raw materials. The potential utilization of recycled materials, specifically Reclaimed Asphalt Pavement (RAP) derived from road asphalt pavement demolition, emerges as a promising sustainable advantage [...] Read more.
The granular bases commonly used in the construction of road infrastructure projects often require a high consumption of raw materials. The potential utilization of recycled materials, specifically Reclaimed Asphalt Pavement (RAP) derived from road asphalt pavement demolition, emerges as a promising sustainable advantage for infrastructure projects, considering its potential environmental and cost benefits in other layers of the structure. In this context, this research proposes a feasibility study on the use of RAP as a granular base layer, supported by an advanced laboratory analysis that includes a range of tests simulating the in-service conditions as well as a full-scale demonstration of the material behavior under static and dynamic loads. Various design variables, such as different gradations and binder content, are considered. The results demonstrate that, despite having discontinuous gradation and smaller aggregate sizes than those commonly applied in natural base layers, the evaluated recycled materials exhibit a higher load-bearing capacity and resistance to permanent deformation than the reference materials commonly used as granular bases. Notable enhancements of up to 30% in elastic modulus, coupled with reductions of around 20% in permanent deformations, have been documented using the asphalt cement potential in the old pavement. Full article
(This article belongs to the Special Issue Innovative Approaches in Asphalt Binder Modification and Performance)
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