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Advancements in Materials Characterization and Modified Asphalt Binders for Sustainable...
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Advancements in Materials Characterization and Modified Asphalt Binders for Sustainable Pavement Engineering

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

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 558

Special Issue Editors

Dr. Dae-Wook Park

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Guest Editor
Faculty of Civil and Environmental Engineering, Kunsan National University, Gunsan, Republic of Korea
Interests: asphalt binders and mixes; mix design; recycling; pavement maintenance and rehabilitation; pavement design and analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Sangyum Lee

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Guest Editor
Faculty of Civil Engineering, Induk University, 12 Choansan-ro, Nowon-gu, Seoul 01878, Republic of Korea
Interests: multi-scale modeling and rheology of asphalt binders and mixes; transportation sustainability; pavement design, maintenance, and rehabilitation
Dr. Tam Minh Phan

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Guest Editor Assistant
Faculty of Civil and Environmental Engineering, Kunsan National University, Gunsan, Republic of Korea
Interests: asphalt testing and characterization; asphalt pavement design; 3D printing; sustainable infrastructure materials; fiber-reinforced asphalt concrete; material macro and micro characterizations; FEM fracture analysis; Geo-GIS Integrations
Dr. Tri Ho Minh Le

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Guest Editor Assistant
Faculty of Civil Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh Street, District 4, Ho Chi Minh City 70000, Vietnam
Interests: asphalt testing and characterization; asphalt pavement materials; asphalt pavement design; asphalt pavement evaluation; recycled materials for pavement

Special Issue Information

Dear Colleagues,

Welcome to the Special Issue on "Advancements in Materials Characterization and Modified Asphalt Binders for Sustainable Pavement Engineering." The construction and maintenance of road pavements play pivotal roles in the transportation infrastructure of modern societies. However, the environmental impact, durability, and performance of these pavements are of significant concern. This Special Issue serves as a platform to showcase cutting-edge research and innovations aimed at addressing these challenges.

Our focus is on two key aspects: materials characterization and modified asphalt binders. Materials characterization is fundamental in understanding the properties of pavement materials and their behavior under various conditions. On the other hand, modified asphalt binders represent a critical element in enhancing pavement performance and sustainability. Researchers are developing novel binders with improved properties and environmental benefits.

We invite contributions that delve into advanced materials characterization techniques, shedding light on the composition, structure, and properties of pavement materials. Additionally, we seek research on the development, evaluation, and application of modified asphalt binders to create sustainable, long-lasting pavements. By sharing knowledge and insights in these areas, we aim to pave the way for greener and more resilient pavement engineering.

Dr. Dae-Wook Park
Dr. Sangyum Lee
Guest Editors
Dr. Tam Minh Phan
Dr. Tri Ho Minh Le
Guest Editor Assistants

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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

  • materials characterization
  • asphalt binder modification
  • sustainable pavements
  • pavement materials analysis
  • environmental impact mitigation
  • durability assessment
  • pavement performance enhancement
  • novel asphalt binders
  • green pavement technology
  • infrastructure sustainability.

Published Papers (1 paper)

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Research

18 pages, 16139 KiB  
Article
Molecular Dynamics Simulation and the Regeneration and Diffusion Effects of Waste Engine Oil in Aged Asphalt Binder
by Yuxuan Sun, Augusto Cannone Falchetto, Fan Zhang, Di Wang and Wei Chen
Materials 2024, 17(10), 2212; https://doi.org/10.3390/ma17102212 - 8 May 2024
Viewed by 347
Abstract
In recent years, the potential of waste engine oil (WEO) as a rejuvenator for aged asphalt binders has gained significant attention. Despite this interest, understanding WEO’s regeneration mechanism within aged asphalt binders, particularly its diffusion behavior when mixed with both aged and virgin [...] Read more.
In recent years, the potential of waste engine oil (WEO) as a rejuvenator for aged asphalt binders has gained significant attention. Despite this interest, understanding WEO’s regeneration mechanism within aged asphalt binders, particularly its diffusion behavior when mixed with both aged and virgin asphalt binders, remains limited. This study adopts a molecular dynamics approach to constructing models of virgin, aged, and rejuvenated asphalt binders with different WEO contents (3%, 6%, 9%, and 12%). Key properties such as the density, glass transition temperature, cohesive energy density, solubility parameter, viscosity, surface free energy, fractional free volume, and diffusion coefficient are simulated. Additionally, models of rejuvenated asphalt binder are combined with those of aged asphalt binder to investigate mutual diffusion, focusing on the impact of WEO on the relative concentration and binding energy. The findings reveal that WEO notably decreased the density, viscosity, and glass transition temperature of aged asphalt binders. It also improved the molecular binding within the asphalt binder, enhancing crack resistance. Specifically, a 9% WEO content can restore the diffusion coefficient to 93.17% of that found in virgin asphalt binder. Increasing the WEO content facilitates diffusion toward virgin asphalt binders, strengthens molecular attraction, and promotes the blending of virgin and aged asphalt binders. Full article
(This article belongs to the Special Issue Advancements in Materials Characterization and Modified Asphalt Binders for Sustainable Pavement Engineering)
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