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Mechanical Property Research of Advanced Asphalt-Based Materials
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Mechanical Property Research of Advanced Asphalt-Based Materials

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

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1171

Special Issue Editors

Dr. Bo Li

E-Mail Website
Guest Editor
College of Civil Science and Engineering, Yangzhou University, Yangzhou 225127, China
Interests: asphalt pavement recycling; sustainable pavement materials; mechnical performance evaluation
Prof. Dr. Zhuangzhuang Liu

E-Mail Website
Guest Editor
School of Highway, Chang’an University, Xi’an, China
Interests: road material behavior and engineering resilience; smart road materials and pavements; roadway resource evaluation; environment & traffic monitoring
Dr. Pan Pan

E-Mail Website
Guest Editor
School of Resource and Civil Engineering, Wuhan Institute of Technology, Wuhan 430073, China
Interests: solid waste utilization; functional asphalt pavement design; maintenance materials and technology for asphalt pavement
Dr. Xunhao Ding

E-Mail Website
Guest Editor
College of Civil Engineering, Southeast University, Nanjing 210096, China
Interests: multi-scale analysis and calculation for pavement material and structure; road intelligent sensing and long-term performance monitoring; drainage asphalt pavement design and maintenance

Special Issue Information

Dear Colleagues,

Asphalt mixtures are widely utilized materials in the construction of roads and highways, etc. In recent years, asphalt pavements have developed with regard to their sustainability and intelligence, due to the current economic and environmental challenges. Novel theories, methods, technologies and materials are abundant in the asphalt pevement industry, including the development of reinforcement mateials, fuctional asphalt pavements, green and sustanable asphalt pavements, intelligent distress detection, and intelligent construction and maintananece. However, enhancements in (or qualified) the mechanical properties of asphalt materials are essential in order to ensure the pavement service life, in addition to the fuctional and environmental benefits accrued when novel technologies and materials are employed.

This Special Issue, entitled “Mechanical Property Research of Advanced Asphalt-Based Materials”, aims to gather original research papers related to the mechanical properties of asphalt materials. The scope of this Special Issue includes, but is not limited to, the following topics:

  • Asphalt binder property evaluation and/or modelling;
  • Asphalt mixture performance evaluation and/or modelling;
  • Multi-physical/multi-scale characterization of asphalt-based materials;
  • Green and sustainable asphalt-based materials;
  • Additive reinforcement asphalt-based materials;
  •  Durability assessment of intelligent asphalt pavements;
  • Intelligent monitoring technology of asphalt pavements;
  • Advanced asphalt mateiral for pavement construction and maintenance.

Dr. Bo Li
Prof. Dr. Zhuangzhuang Liu
Dr. Pan Pan
Dr. Xunhao Ding
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. 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

  • asphalt binder and mixture
  • performance evaluation
  • modeling and simulating
  • multi-scale mechanics
  • green and sustainable material
  • intelligent material

Published Papers (3 papers)

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Research

17 pages, 10136 KiB  
Article
Preparation and Performance Evaluation of Castor Oil-Based Asphalt Regeneration Agent
by Pan Pan, Yibo Chen, Xinhe Hu, Bingquan Dai, Xiaodi Hu and Ning Wang
Materials 2024, 17(9), 2078; https://doi.org/10.3390/ma17092078 - 28 Apr 2024
Viewed by 296
Abstract
Regeneration agents play a critical role in modifying the mechanical properties and durability of RAP asphalt mixtures. This paper aimed to develop a castor oil-based asphalt regeneration agent. The effects of this regeneration agent on the pavement performance of laboratory-aged asphalt and an [...] Read more.
Regeneration agents play a critical role in modifying the mechanical properties and durability of RAP asphalt mixtures. This paper aimed to develop a castor oil-based asphalt regeneration agent. The effects of this regeneration agent on the pavement performance of laboratory-aged asphalt and an RAP asphalt mixture were comparatively studied by a series of laboratory tests. For the developed castor oil-based asphalt regeneration agent, the weight ratio of the castor oil to dibutyl phthalate was determined as 1:4. Moreover, the regeneration effectiveness of the castor oil-based regeneration agent was tested on three laboratory-aged asphalt binders and an RAP asphalt binder; the penetration, softening point and ductility of the RAP asphalt binder recovered to 83 dmm, 50.3 °C, and more than 100 cm, respectively. The optimum content of the regeneration agent was 5% by the weight of the aged asphalt binder. Furthermore, the castor oil-based regeneration agent could effectively restore the pavement performance of an RAP asphalt mixture. In this study, the RAP percentage can reach up to 60% by the weight of the HMA mixture using the castor oil-based asphalt regeneration agent according to the Chinese specification. Full article
(This article belongs to the Special Issue Mechanical Property Research of Advanced Asphalt-Based Materials)
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24 pages, 8597 KiB  
Article
Experimental Research on the Anti-Reflection Crack Performance of Basalt Fiber Modified Rubber Asphalt Stress-Absorbing Layer
by Cheng Shen, Zhengguang Wu, Peng Xiao, Aihong Kang and Yangbo Wang
Materials 2024, 17(9), 2013; https://doi.org/10.3390/ma17092013 - 25 Apr 2024
Viewed by 215
Abstract
Reflection cracks are one of the most common problems in semi-rigid base pavement. Setting a stress absorption layer can effectively delay the occurrence of reflection cracks, but further improvement is still needed in its interlayer bonding performance and anti-reflection crack performance. Considering the [...] Read more.
Reflection cracks are one of the most common problems in semi-rigid base pavement. Setting a stress absorption layer can effectively delay the occurrence of reflection cracks, but further improvement is still needed in its interlayer bonding performance and anti-reflection crack performance. Considering the excellent crack resistance of basalt fibers and the good elastic recovery ability of rubber asphalt, it is considered worthwhile to incorporate them into traditional stress absorption layers to improve performance. To simulate the actual pavement layer effect, composite specimens consisting of a cement-stabilized macadam base + basalt fiber rubber asphalt stress-absorbing layer + AC-20 asphalt mixture surface layer were prepared to evaluate their performance through interlayer direct shear tests, interlayer tensile tests, three-point bending tests, and overlay tests (OTs). To determine the optimal fiber blending combination, four fiber lengths (3 cm, 6 cm, 9 cm, 12 cm) and four fiber proportions (120 g/m2, 140 g/m2, 160 g/m2, 180 g/m2) were selected respectively. The specific effects of basalt fibers with different lengths and dosages were analyzed. The results show that compared with the absence of fibers, the improvement of interlayer bonding performance of rubber asphalt with basalt fibers is not significant, and it has certain limitations; however, the improvement of anti-reflective crack performance is significant, with an increase of up to 305.5%. This indicates that the network structure formed by basalt fibers and rubber asphalt stress absorption layer can effectively absorb and disperse external loads, causing an excellent crack resistance effect. Meanwhile, the results indicate that the main factor affecting its interlayer bonding strength and anti-reflective crack performance is the fiber content. Based on the comprehensive analysis of the performance and economy of the stress absorption layer of basalt fiber rubber asphalt, the optimal fiber parameter combination recommended is as fiber length 9 cm and fiber content 160 g/m2. These results can provide a reference for the design and performance evaluation of basalt fiber rubber asphalt stress absorption layer, and have certain application value. Full article
(This article belongs to the Special Issue Mechanical Property Research of Advanced Asphalt-Based Materials)
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16 pages, 3435 KiB  
Article
Evaluation of Cracking Resistance of SMA-13 Hot Recycling Asphalt Mixtures Reinforced by Basalt Fiber
by Yu Zhang, Yao Zhang, Bo Li, Aihong Kang and Yu Wang
Materials 2024, 17(8), 1762; https://doi.org/10.3390/ma17081762 - 11 Apr 2024
Viewed by 349
Abstract
In the context of green and low-carbon development, energy saving, and emission reduction, hot recycling technology (RT) has been researched, which is divided into hot central plant RT and hot in-place RT. However, due to the aged asphalt binders, the shortcomings of hot [...] Read more.
In the context of green and low-carbon development, energy saving, and emission reduction, hot recycling technology (RT) has been researched, which is divided into hot central plant RT and hot in-place RT. However, due to the aged asphalt binders, the shortcomings of hot recycled asphalt mixtures have become apparent, as in comparison to new asphalt mixtures, their resistance to cracking was inferior and the cracking resistance deteriorated more rapidly. Therefore, it was very necessary to focus on the improvement of crack resistance of hot recycled asphalt mixtures. Basalt fiber has been proved to be able to effectively improve the comprehensive road performance of new asphalt mixtures. Therefore, this paper introduced basalt fiber to hot central plant recycled and hot in-place recycled asphalt mixtures, in order to improve the crack resistance of asphalt as a new type of fiber stabilizer. Firstly, six types of SMA-13 fiber asphalt mixtures were designed and prepared, i.e., hot mixtures with basalt fiber or lignin fiber, hot central plant recycled mixtures with basalt fiber or lignin fiber, and hot in-place recycled mixtures with basalt fiber or lignin fiber. Secondly, the trabecular bending test, low-temperature creep test, semi-circular bending test, and IDEAL-CT were used to comparatively study the changing patterns of low and intermediate temperature cracking resistance of hot recycled mixtures with conventional lignin fibers or basalt fibers. Finally, Pearson’s correlation coefficient was used to analyze the correlation of the different cracking resistance indicators. The results show that the low and intermediate temperature cracking resistance of hot central plant recycled mixtures increased by 45.6% (dissipative energy ratio, Wd/Ws) and 74.8% (flexibility index, FI), respectively. And the corresponding cracking resistance of hot in-place recycled mixture increased by 105.4% (Wd/Ws) and 55.7% (FI). The trabecular bending test was more suitable for testing the low-temperature cracking resistance of hot recycled asphalt mixtures, while the IDEAL-CT was more suitable for testing the intermediate-temperature cracking resistance. The results can provide useful references for the utilization of basalt fiber in the hot recycling of SMA-13 asphalt mixtures. Full article
(This article belongs to the Special Issue Mechanical Property Research of Advanced Asphalt-Based Materials)
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