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Development of a rational design procedure based on fatigue characterisation and environmental evaluations of asphalt pavement reinforced with glass fibre grid
Road Materials and Pavement Design ( IF 3.4 ) Pub Date : 2021-04-07 , DOI: 10.1080/14680629.2021.1906304
M. L. Nguyen 1 , P. Hornych 1 , X. Q. Le 1 , M. Dauvergne 1 , L. Lumière 1 , C. Chazallon 2 , Mehdi Sahli 2, 3 , S. Mouhoubi 2 , D. Doligez 4 , E. Godard 5
Affiliation  

ABSTRACT

The work presented in this paper is part of an interdisciplinary research project named SolDuGri dealing with the reinforcement of asphalt concrete pavements using glass fibre grids. We present in this paper one of the main results of the project dealing with the development of a rational design procedure for reinforced pavements. Laboratory and full-scale accelerated fatigue tests were carried out to define a relationship between the fatigue resistance of reinforced and non-reinforced samples in function of the position of the grid, and to calibrate a fatigue design criterion. Design examples using the proposed design procedure show that the reinforcement of pavements leads to a reduction of the asphalt thicknesses, compared to the unreinforced solution. Furthermore, environmental impacts including life cycle assessment, particles emissions and recycling of the reinforced pavement solutions obtained from the design and experimental works are investigated. These environmental studies are new in this research topic.



中文翻译:

基于疲劳特性和玻璃纤维格栅增强沥青路面环境评价的合理设计程序的开发

摘要

本文介绍的工作是一个名为SolDuGri的跨学科研究项目的一部分,该项目涉及使用玻璃纤维格栅加固沥青混凝土路面。我们在本文中介绍了该项目的主要成果之一,该项目涉及开发合理的加筋路面设计程序。进行了实验室和全面的加速疲劳测试,以定义增强和非增强样品的抗疲劳性与网格位置的函数之间的关系,并校准疲劳设计标准。使用建议的设计程序的设计实例表明,与未加固的解决方案相比,路面的加固导致沥青厚度的减小。此外,对环境的影响包括生命周期评估,研究了从设计和实验工作中获得的颗粒物排放以及加筋路面解决方案的回收利用。这些环境研究是本研究主题中的新内容。

更新日期:2021-05-05
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