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Packing Theory and Volumetrics-Based Aggregate Gradation Design Method

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成果类型:
期刊论文
作者:
Yu, Huanan;Shen, Shihui;Qian, Guoping*;Gong, Xiangbing
通讯作者:
Qian, Guoping
作者机构:
[Gong, Xiangbing; Yu, Huanan; Qian, Guoping] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Natl Engn Lab Highway Maintenance Technol, Changsha 410114, Peoples R China.
[Shen, Shihui] Tongji Univ, Coll Transportat Engn, Shanghai 200092, Peoples R China.
通讯机构:
[Qian, Guoping] C
Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Natl Engn Lab Highway Maintenance Technol, Changsha 410114, Peoples R China.
语种:
英文
关键词:
Aggregates;Asphalt mixtures;Asphalt pavements;Mechanical properties;Mixtures;Quality control;Superpave;Dynamic moduli;Gradation design;Mix designs;Packing theory;Volumetrics;Design;aggregate;asphalt;design method;dynamic analysis;packing;shape;theoretical study;void;volume;United States;Washington [United States]
期刊:
Journal of Materials in Civil Engineering
ISSN:
0899-1561
年:
2020
卷:
32
期:
6
基金类别:
The authors would like to offer thanks for the funding support by the National Key R&D Program of China (Grant No. 2018YFB1600100); the National Natural Science Foundation of China (Grant Nos. 51908072, 51778071, and 51808058); and support by Huxiang High-level Talents Gathering Project-Innovative Talents (Grant No. 2019RS1048). Also, the authors gratefully acknowledge the research support by the Transportation Northwest (TransNow) through the USDOT.
机构署名:
本校为第一且通讯机构
院系归属:
交通运输工程学院
摘要:
Current gradation design in Superpave mix design method is an empirical-based trial-and-error method, which is costly and time-consuming. Moreover, few mechanical properties have been evaluated during the mix design to assist the mix optimization. This paper describes a novel aggregate gradation and asphalt mixture design concept that estimates the target gradation and optimum asphalt content at an early stage. Voids in mineral aggregate (VMA) is used as a media to link the properties of aggregates and asphalt binder to their engineering proper...

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