NDLI: Preparation and fatigue property of nanoclay modified asphalt binder

Content Provider	IEEE Xplore Digital Library
Author	Shaopeng Wu Jingang Wang Liu Jiesheng
Copyright Year	2010
Description	Author affiliation: Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education, Wuhan University of Technology, China (Shaopeng Wu; Jingang Wang; Liu Jiesheng)
Abstract	Due to great temperature susceptivity, aging and inferior fatigue resistance, the serviceability of asphalt materials has been limited in same degree. The modification becomes an effective way to improve the performance of asphalt material. The modification applying nanoclay can not only improve the properties of bitumen but also lower costs to a great extent, so it becomes the research focus recently. It is well known that fatigue is considered to be one of the most significant distresses in any flexible pavement which is subjected to repeated traffic loading or stress. So it is very significant to pavement designer to investigate the fatigue characteristics of asphalt binder. The present research has chosen organic nano-montmorillonite (OMMT) to prepare the nanoclay modified bitumen using high speed shearer in laboratory. The X-Ray Diffraction (XRD) test was used to analyse the dispersion structure in the modified bitumen. And the fatigue test was carried out to evaluate the fatigue resistance property of the modified bitumen by Dynamic Shear Rheometer (DSR). The stress loading mode was applied to simulate the actual traffic loading. Finally, the fatigue equations were educed to fit the experiment results. The research results show that the modified bitumen containing nanoclay suggests excellent fatigue resistance.
Starting Page	1595
Ending Page	1598
File Size	215919
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5535976
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Costs Building materials Montmorillonite Laboratories Telecommunication traffic Modified Asphalt Fatigue Nanoclay Stress Asphalt Aging Testing Fatigue Property
Content Type	Text
Resource Type	Article

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