Rheological Characterization of Bituminous Binders Modified with Carbon Nanotubes

被引：114
作者：
Santagata, Ezio [1 ]
Baglieri, Orazio [1 ]
Tsantilis, Lucia [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：
Carbon nanotubes; bituminous binders; rheology; aging;
D O I：
10.1016/j.sbspro.2012.09.905
中图分类号：
U [交通运输];
学科分类号：
08 ; 0823 ;
摘要：
The study presented in this paper focused on the use of carbon nanotubes (CNT) in bituminous binders. By employing a single reference base bitumen and multiwall CNTs, several bitumen-CNT blends were prepared at various concentrations and were subjected to rheological characterization in different aging conditions. Results indicate that when CNTs are added with a sufficiently high percentage to base bitumen, they can significantly affect rheological properties. CNTs provide an enhancement of rutting resistance potential and of resistance to thermal cracking. Moreover, susceptibility to oxidative aging is reduced with further advantages that are expected in the long-term performance of bituminous mixtures. (C) 2012 The Authors. Published by Elsevier Ltd. Selection and/or peer-review under responsibility of SIIV2012 Scientific Committee
引用
收藏
页码：546 / 555
页数：10
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