生物材料对高再生沥青混合料粘结剂的回用效果评价

IF 1.1 4区工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY

Materiales de Construccion 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

Materiales de Construccion 工程技术-材料科学：综合

CiteScore

3.20

自引率

9.50%

发文量

审稿时长

>12 weeks

期刊介绍： Materiales de Construcción is a quarterly, scientific Journal published in English, intended for researchers, plant technicians and other professionals engaged in the area of Construction, Materials Science and Technology. Scientific articles focus mainly on: - Physics and chemistry of the formation of cement and other binders. - Cement and concrete. Components (aggregate, admixtures, additions and similar). Behaviour and properties. - Durability and corrosion of other construction materials. - Restoration and conservation of the materials in heritage monuments. - Weathering and the deterioration of construction materials. - Use of industrial waste and by-products in construction. - Manufacture and properties of other construction materials, such as: gypsum/plaster, lime%2