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Applied Sciences
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Advanced Technologies in Asphalt Materials, 2nd Edition
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Advanced Technologies in Asphalt Materials, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 2644

Special Issue Editors

Dr. Chuanqi Yan

E-Mail Website
Guest Editor
School of Civil Engineering, Southwest Jiaotong University, Chengdu 611756, China
Interests: asphalt; pavement materials; asphalt-based materials
Special Issues, Collections and Topics in MDPI journals
Dr. Peng Lin

E-Mail Website
Guest Editor
Faculty of Civil Engineering & Geosciences, Delft University of Technology, 2628 CN Delft, The Netherlands
Interests: asphalt pavement recycling; rejuvenation technique; circular economy of road infrastructure; sustainable road materials development
Special Issues, Collections and Topics in MDPI journals
Dr. Jiwang Jiang

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Interests: asphalt pavement maintanence; cold/hot recycling technologies; multiscale charazterizatioin and modelling
Special Issues, Collections and Topics in MDPI journals
Dr. Guoqiang Sun

E-Mail Website
Guest Editor
Department of Road & Urban Railway Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing 100124, China
Interests: self-healing asphalt materials; high-viscosity modified asphalt material; bio-asphalt material; phase change asphalt material; recycled asphalt pavement; conductive ultra-thin wearing course; asphalt aging and anti-aging
Special Issues, Collections and Topics in MDPI journals
Dr. Quan Lv

E-Mail Website
Guest Editor
Department of Transportation Engineering, Tongji University, Shanghai 201804, China
Interests: adhesion and healing behavior between the asphalt and aggregate; properties of various modified asphalt and emulsified asphalt
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of our previous Special Issue entitled “Advanced Technologies in Asphalt Materials”.

Due to the increasing traffic level and axle load applied on asphalt pavement, traditional asphalt materials can no longer meet the requirements of modern highways.

In the last few decades, extensive efforts have been made by asphalt pavement researchers and practitioners to improve the performance of traditional petroleum asphalt. Many advanced technologies have been introduced and widely utilized. These include various polymer-modified asphalts, rubber asphalt, biomass-derived asphalt, nanomaterials, waste plastic application, self-healing materials, etc.

This Special Issue aims to collect advances in the area of asphalt materials, which is significant for industry practitioners, researchers, government agencies, and other stakeholders.

We invite authors to contribute original research articles as well as review articles that contribute to the area of advanced technologies for asphalt materials. Suggested topics related to this Special Issue include, but are not limited to:

  • Polymer-modified asphalt;
  • Warm/cold-mix asphalt;
  • Waste-based modified asphalt;
  • Bio-based modified asphalt;
  • Regenerated asphalt;
  • Self-healing asphalt;
  • Characterization and evaluation of advanced asphalt materials.

Dr. Chuanqi Yan
Dr. Peng Lin
Dr. Jiwang Jiang
Dr. Guoqiang Sun
Dr. Quan Lv
Guest Editors

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. Applied Sciences 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 2400 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

  • asphalt pavement
  • pavement materials
  • asphalt binder
  • modified asphalt
  • warm/cold-mix asphalt
  • waste-based modified asphalt
  • bio-based modified asphalt
  • regenerated asphalt
  • self-healing asphalt

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Related Special Issue

Published Papers (2 papers)

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Research

17 pages, 4990 KiB  
Article
Performance Evaluation of Asphalt and Asphalt Mixtures Modified by Fuel-Resistant Admixture
by Shuguang Zhang, Meng Tu, Wenchang Liu, Xiaobo Du and Hongchao Zhang
Appl. Sci. 2024, 14(5), 1981; https://doi.org/10.3390/app14051981 - 28 Feb 2024
Viewed by 830
Abstract
In the course of asphalt pavement usage, exposure to fuel infiltration accelerates particle detachment, leading to the occurrence of problems such as looseness and peeling. The aim of this study was to comprehensively evaluate the impact of a fuel-resistant modifier (FRM; 1%, 3%, [...] Read more.
In the course of asphalt pavement usage, exposure to fuel infiltration accelerates particle detachment, leading to the occurrence of problems such as looseness and peeling. The aim of this study was to comprehensively evaluate the impact of a fuel-resistant modifier (FRM; 1%, 3%, 5%, 7%) on the performance of asphalt and asphalt mixture. Conventional physical tests and high–low temperature rheological tests were conducted on the fuel-resistant modified asphalt (FRMA). The results indicate that, with increased FRM content, the penetration and ductility of FRMA decreased, while the softening point increased. The high-temperature performance improved, but the low-temperature ductility declined. High–low temperature rheological test results demonstrate that the addition of FRM significantly enhanced the asphalt’s shear deformation resistance. A moderate amount of FRM modification improved the asphalt’s low-temperature crack resistance, but excessive FRM resulted in reduced flexibility. In addition, fuel-resistant modified asphalt mixture (FRMAM) specimens were prepared and evaluated for performance. In comparison to the base asphalt, FRM modification enhanced the resistance to oil erosion and peeling as well as the Marshall stability of asphalt mixtures. It reduced the scattering loss caused by fuel dissolution and improved both low-temperature indirect tensile (IDT) strength and high-temperature shear strength. A low content of FRM effectively reduced the sensitivity of asphalt mixtures to fuel infiltration, thus enhancing their road performance. Full article
(This article belongs to the Special Issue Advanced Technologies in Asphalt Materials, 2nd Edition)
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25 pages, 8193 KiB  
Article
Research on the Preparation Process of SBS-Modified Asphalt Using Early Shearing Instead of High-Speed Shearing of Modifier
by Yanlei Wang, Hongyu Yi, Yong Cui, Shijiang Li, Shengxiong Zhou and Chuanqi Yan
Appl. Sci. 2023, 13(18), 10335; https://doi.org/10.3390/app131810335 - 15 Sep 2023
Cited by 1 | Viewed by 1266
Abstract
To investigate the effect of pre-shredding as a replacement for high-speed shearing in the preparation process of SBS-modified asphalt, the particle size and mixing time of pre-shredded SBS modifier were studied. Laser confocal microscopy was used to observe the morphological changes and dispersion [...] Read more.
To investigate the effect of pre-shredding as a replacement for high-speed shearing in the preparation process of SBS-modified asphalt, the particle size and mixing time of pre-shredded SBS modifier were studied. Laser confocal microscopy was used to observe the morphological changes and dispersion state of the SBS modifier during the mixing process, and process parameters were determined through rheological performance tests. FTIR tests were conducted on the original asphalt and PAV-aged modified asphalt to assess the impact of the pre-shredding process on the chemical composition and aging resistance of the modified asphalt. The specific conclusions were as follows. During the preparation process of the SBS modifier using low-speed mixing, the morphological changes of the SBS modifier can be summarized as follows: It cycles through edge networking, mesh fiberization, and filamentous granulation, and eventually presents a granular atomization form after multiple cycles. It is recommended that the mixing time be maintained between 30 and 60 min, which results in the microstructure of the modified asphalt consisting of filamentous and point-like combinations. This asphalt exhibited excellent performance in high-temperature rut resistance, fatigue resistance, and low-temperature crack resistance. When the mixing time was too long, the SBS modifier formed small granules in an atomized state, which weakened the strength of the mesh structure and led to a decrease in overall performance. It is recommended that the SBS be shredded into particles sized between 18 and 30 mesh or 30 and 100 mesh. SBS-modified asphalt with SBS particles sized between 18 and 30 mesh exhibited greater hardness in the mesh structure, resulting in better high-temperature rut resistance. SBS-modified asphalt with SBS particles sized between 30 and 100 mesh had better extensibility in the mesh structure, leading to superior performance in medium-temperature fatigue resistance and low-temperature crack resistance. Compared to the conventional process, the pre-shredding process for preparing SBS-modified asphalt improved aging resistance by 10% to 13%. Additionally, SBS-modified asphalt prepared using the pre-shredding process saved 1 to 3 h of processing time compared to the traditional preparation method, reducing energy consumption. Furthermore, the asphalt produced through the new process exhibited better performance, reducing road wear and saving maintenance costs. Full article
(This article belongs to the Special Issue Advanced Technologies in Asphalt Materials, 2nd Edition)
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