泡沫沥青冷再生沥青混合料的刚度和抗疲劳性能分析及其在机场路面设计中的应用

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-07-26 DOI:10.3989/MC.2017.04616

H. I. Lacalle-Jiménez, J. Edwards, N. Thom

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引用次数: 7

摘要

冷回收材料(crbm)为路面提供了经济和环境优势，因为它们减少了能源和原材料的消耗。然而，机场路面的设计方法不包括关键的CRBM特性。本文采用经验-力学方法对机场路面设计进行了研究，以期为设计提供指导。本文的目的是获得在这种方法中使用所需的与材料特性相关的输入。为此，对含有再生沥青、粉煤灰、水泥和泡沫沥青作为稳定剂的CRBM进行了表征。方法包括应变控制模式下的间接拉伸刚度模量(ITSM)和间接拉伸疲劳试验(ITFT)。然后获得了使用CRBM进行路面设计分析所需的输入。结果表明，进一步研究CRBM疲劳对了解这些混合料在循环载荷下的行为具有重要意义。

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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Analysis of stiffness and fatigue resistance of cold recycled asphalt mixtures manufactured with foamed bitumen for their application to airfield pavement design

Cold recycled bound materials (CRBMs) provide an economic and environmental advantage for pavements since they decrease energy and raw material consumption. However, design methods for airfield pavements do not include key CRBM properties. In this paper an empirical-mechanistic method is used to study airfield pavement design with CRBM in order to develop design guidance. The aim of the paper is to obtain the inputs related to material properties needed for use in this method. For this purpose, CRBM containing reclaimed asphalt, with fly ash, cement and foamed bitumen as stabilising agents, was characterised. The methodology included indirect tensile stiffness modulus (ITSM) and indirect tensile fatigue tests (ITFT) in strain control mode. The inputs needed for a pavement design analysis with CRBM were then obtained. The results showed the importance of further study on CRBM fatigue to understand the behaviour of these mixes under cyclic loading.

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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.