Asphalt Aging and Durability Research
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".
Deadline for manuscript submissions: closed (20 June 2024) | Viewed by 1726
Special Issue Editors
Interests: asphalt; polymer modified asphalts. Polymer nanocomposites; energetic polymers
Interests: asphalt durability; polymer modified bitumen; polymer nanocomposites; polymers compatibilization; recycling and reuse of waste materials; biopolymers
Special Issue Information
Dear Colleagues,
In the last century, asphalt has been used worldwide as the main binder in road construction. The need to work under different climate conditions and the continuous growth of traffic speed and loads pushed the research to develop many formulations and modifiers that considerably improved asphalt performance. Nevertheless, during the in-life service, asphalt is exposed to thermal, oxidative and mechanical stresses that affect its chemical composition and rheological properties. The result is a deterioration of the pavement that may be subjected to rutting, embrittlement, cracking etc. The whole concept is summarized under the word ageing, which is one of the major subjects of the recent scientific and patent literature in this field.
The ageing and durability of asphalts may be approached in several ways, such as the development of appropriate procedures to artificially simulate short- and long-term ageing, the individuation of chemical and performance parameters to both directly and indirectly quantify the level of aging, the development and implementation of new additives and modifiers to slow ageing or promote self-healing. All these efforts to better understand and describe ageing have the final goal of extending pavement durability. However, since ageing remains inevitable and irreversible, another very important aspect that has been gaining attention in recent years is the use of rejuvenators to restore the original properties and thus recycle end-of-life binders. Researchers are therefore encouraged to submit their latest findings and results as full-length articles or reviews related to the above-mentioned topics.
Dr. Giovanni Polacco
Dr. Sara Filippi
Guest Editors
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Keywords
- asphalt
- bitumen
- ageing
- durability
- antioxidants
- rejuvenators
- artificial ageing
- ageing indexes
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