Performance-Related Characterization of Bituminous Binders and Mixtures Containing Natural Asphalt

被引：3
作者：
Santagata, Ezio [1 ]
Riviera, Pier Paolo [1 ]
Dalmazzo, Davide [1 ]
机构：
[1] Politecn Torino, Dept Environm Land & Infrastruct Engn, I-10129 Turin, Italy
来源：
SIIV-5TH INTERNATIONAL CONGRESS - SUSTAINABILITY OF ROAD INFRASTRUCTURES 2012 | 2012年 / 53卷
关键词：
Natural asphalt; rheology; compaction; stiffness; fatigue; performance;
D O I：
10.1016/j.sbspro.2012.09.904
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
Natural asphalt as an additive in bituminous mixtures was subjected to evaluation by means of performance-related laboratory tests carried out on materials sampled from a production plant and a test section. Compaction issues were discussed by referring to binder viscosity and by considering the volumetrics of laboratory-compacted specimens. Mixture stiffness was assessed by means of repeated load indirect tensile tests carried out on field cores and by constructing pseudo master curves. Models were employed for the quantification of effects associated to enhanced compaction and binder ageing. Fatigue was also investigated by means of indirect tensile tests. (C) 2012 The Authors. Published by Elsevier Ltd. Selection and/or peer-review under responsibility of SIIV2012 Scientific Committee
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收藏
页码：535 / 545
页数：11
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