How to reduce reclaimed asphalt variability: A full-scale study

被引：45
|
作者：
Zaumanis, Martins [1 ]
Oga, Janis [2 ]
Haritonovs, Viktors [1 ]
机构：
[1] Riga Tech Univ, Fac Civil Engn, Inst Transportat, Dept Rd & Bridges, Azenes St 16-20, LV-1048 Riga, Latvia
[2] Lemminkainen Latvia Bicites, LV-1024 Garkalnes Novads, Latvia
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 188卷
关键词：
Reclaimed asphalt; Recycling; Variability; t-Test; Milling; Test section; RAP; Statistical analysis; Homogeneity; RAP content; MIXTURES;
D O I：
10.1016/j.conbuildmat.2018.08.137
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A 270 m long highly variable pavement section was isolated for this research (video https://youtu.be/ jmkjavMwhao) to evaluate quantitative changes in variability of reclaimed asphalt pavement (RAP) as a result of milling and stockpile homogenisation operations. The results demonstrated that variability of binder properties and binder content reduced by a similar magnitude during milling and mixing, with each operation allowing to increase the maximum RAP content in new mixtures by 10%. Statistical analysis confirmed that filler content increased by 4.8% during milling while average values of other test results were not significantly changed. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：546 / 554
页数：9
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