生物质改性沥青粘结剂对抗车辙性能的影响

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-05-13 DOI:10.1155/2024/8249248

Mahyar Arabani, Mohadeseh Ebrahimi, Mohammad Mahdi Shalchian, Maryam Majd Rahimabadi

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引用次数: 0

摘要

生物质是一种环保型添加剂，由于其生物降解性，可降低路面工程中的污染。另一方面，要建造安全、持久的路面，防止车辙至关重要。本研究全面回顾了生物质作为可回收材料在减少车辙和提高沥青混合料特性方面的功效。研究结果表明，木质素和生物质灰烬的碳氢聚合物特性可改善沥青粘结剂的稠度、硬度和高温功能。结果表明，生物炭因其固体形状，可提高混合料的硬度和粘度。生物壳废料改善了沥青胶结料的高温性能，提高了车辙参数。因此，灰分、木质素和生物炭等生物质可通过范德华力和氢离子等化学力提高沥青胶结料的流变性和抗车辙性能。宏观和微观研究也表明，生物沥青具有更高的相互作用和更好的粘附性。然而，含有生物油的沥青粘合剂并没有因其润滑作用而表现出独特的行为。根据生命周期评估（LCA）的估算，生物质的利用有可能使路面工程的成本和二氧化碳排放量分别降低 10%和三倍以上。对可回收性的研究表明，生物质的利用可使对额外稳定剂的需求减少多达 20%。

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Influence of Biomass-Modified Asphalt Binder on Rutting Resistance

Biomasses are environmentally friendly additives that lower pollution in pavement engineering because of their biodegradability. On the other hand, to build a safe, long-lasting pavement, rutting prevention is crucial. This study provides a comprehensive review of the efficacy of biomass as recyclable materials in reducing rutting and enhancing characteristics of asphalt mixtures. According to findings, the hydrocarbon polymer properties of lignin and biomass ash improve asphalt binder consistency, hardness, and function at high temperatures. The results showed that biochar, due to its solid shape, enhances the stiffness and viscosity of the mixtures. The high-temperature performance of asphalt binder is improved by bioshell waste, which increases rutting parameters. Thus, biomass like ash, lignin, and biochar can increase asphalt binder rheology and rutting resistance due to chemical forces such as Van der Waals and hydrogen ions. The macroscopic and microscopic investigation also shows higher interaction and better adhesion in bioasphalt. However, asphalt binders containing bio-oil exhibited no unique behaviors due to their lubricant impact. Based on the estimation of the life cycle assessment (LCA), it was determined that biomass utilization has the potential to decrease the cost and CO₂ emissions of pavement engineering by as much as 10% and more than three times, respectively. An examination of recyclability revealed that biomass utilization can decrease the requirement for additional stabilizers by as much as 20%.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.