生物材料对高再生沥青混合料粘结剂的回用效果评价

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-07-10 DOI:10.3989/MC.2017.04516

A. J. D. B. Carrión, M. Pérez-Martinez, Andrea Themeli, D. Presti, P. Marsac, S. Pouget, F. Hammoum, E. Chailleux, G. Airey

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引用次数: 22

摘要

在过去的几十年里，由于使用不可恢复的自然资源对环境的担忧，在路面工程中使用生物材料的兴趣显著增长。在本文中，生物材料与再生沥青(RA)一起使用，以恢复高RA含量混合物中存在的老化沥青的一些性能。为此，研究了两种生物材料，并将其与常规沥青和聚合物改性沥青进行了比较。生产了这些材料与RA沥青的混合物，并研究了模拟50% RA混合物。评价了这两种生物材料对RA的恢复作用，并与传统粘合剂的效果进行了比较。样品的表观分子量分布(通过?-法获得)和不同的流变参数用于此目的。结果表明，生物材料对RA沥青的再生能力，显示了它们作为高RA含量混合物的新粘合剂的能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Evaluation of bio-materials’ rejuvenating effect on binders for high-reclaimed asphalt content mixtures

The interest in using bio-materials in pavement engineering has grown significantly over the last decades due to environmental concerns about the use of non-recoverable natural resources. In this paper, bio-materials are used together with Reclaimed Asphalt (RA) to restore some of the properties of the aged bitumen present in mixtures with high RA content. For this purpose, two bio-materials are studied and compared to conventional and polymer modified bitumens. Blends of these materials with RA bitumen were produced and studied to simulate a 50% RA mixture. The rejuvenating effect of the two bio-materials on RA has been assessed and compared with the effect of the conventional binders. Apparent Molecular Weight Distribution of the samples (obtained by the ?-method) and different rheological parameters were used for this purpose. Results revealed the power of bio-materials to rejuvenate RA bitumen, showing their capability to be used as fresh binders in high-RA content mixtures.

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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.