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Performance-based design of asphalt mixtures and review of key parameters
Materials & Design ( IF 8.4 ) Pub Date : 2018-03-01 , DOI: 10.1016/j.matdes.2017.12.035
M. Zaumanis , L.D. Poulikakos , M.N. Partl

Abstract High content recycling, warm mix asphalt, and other advanced technologies are changing asphalt mixtures beyond the narrow margins where conventional volumetric asphalt mix design holds true. Performance-based tests can be used to characterize asphalt mixtures regardless of materials and technologies in use, thus allowing the extension of pavement life cycle, cost savings and minimization of environmental footprint. This article proposes a potential road map for implementation of performance-based tests as part of mix design procedures. Through an extensive literature review the effects of properties and proportions of binder, aggregates, modifiers and selected advanced technologies on key mixture performance-based parameters like cracking, rutting, stiffness, workability and moisture resistance are systematically summarized. A table indicating the expected performance-based test result trends is provided to aid in optimization of mixture composition. The information is intended to be the first source for a mix designer when deciding on means to improve performance or troubleshoot the failures of an asphalt mixture.

中文翻译:

基于性能的沥青混合料设计和关键参数审查

摘要 高含量回收、温拌沥青和其他先进技术正在改变沥青混合料,超越传统容积式沥青混合料设计适用的狭窄范围。无论使用何种材料和技术,都可以使用基于性能的测试来表征沥青混合料,从而延长路面生命周期、节约成本并最大限度地减少环境足迹。本文提出了实施基于性能的测试作为混合设计程序的一部分的潜在路线图。通过广泛的文献综述,系统总结了粘合剂、骨料、改性剂和选定的先进技术的性能和比例对基于关键混合物性能的参数(如开裂、车辙、刚度、可加工性和防潮性)的影响。提供了一个表格,表明基于性能的预期测试结果趋势,以帮助优化混合物组成。该信息旨在成为混合料设计师决定提高性能或排除沥青混合料故障的方法时的第一个来源。
更新日期:2018-03-01
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