Journal ArticleDOI
Influence of ageing conditions on the chemical property changes of asphalt binders
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TLDR
Unexpected rise in saturates was found in asphalt binders aged in pressurised pure oxygen, and Colloidal instability index indicates that some binders are more resistant to oxidative ageing than others, and sulphur appears to play an important role.Abstract:
This study examines the influence of different ageing conditions on the commonly interested chemical properties of asphalt binders, including the oxygenated functional groups and Corbett fractions....read more
Citations
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Journal ArticleDOI
Application of gel permeation chromatography technology in asphalt materials: A review
TL;DR: In this article, the authors summarized the application of gel permeation chromatography (GPC) in characterizing asphalt materials and made several suggestions for the future application of GPC technology in asphalt material analysis.
Journal ArticleDOI
Relationship among cohesion, adhesion, and bond strength: From multi-scale investigation of asphalt-based composites subjected to laboratory-simulated aging
Ying Yuan,Xingyi Zhu,Long Chen +2 more
TL;DR: In this paper, the authors investigated the influence of aging on the bonding property of asphalt binder and explained the reason behind the change of bonding property, where four neat asphalt binders were treated with shortterm aging and long-term aging.
Journal ArticleDOI
Exploring the oxidative mechanisms of bitumen after laboratory short- and long-term ageing
Georgios Pipintakos,Hilde Soenen,H. Y. Vincent Ching,Christophe M. L. Vande Velde,Sabine Van Doorslaer,Filip Lemière,Aikaterini Varveri,Wim Van den bergh +7 more
TL;DR: In this article, the identification of intermediate and final oxygenated products after short-and long-term laboratory ageing simulated with rolling thin-film oven testing (RTFOT) and pressurised ageing vessel (PAV) respectively was investigated.
Journal ArticleDOI
Experimental investigation of the oxidative ageing mechanisms in bitumen
Georgios Pipintakos,H. Y. Vincent Ching,Hilde Soenen,Peter Sjövall,Uwe Mühlich,Sabine Van Doorslaer,Aikaterini Varveri,Wim Van den bergh,Xiaohu Lu +8 more
TL;DR: In this paper, the formation of oxygen-containing molecular structures on the bitumen surface during ageing was studied with Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) using Fourier-Transform Infrared (FTIR) and Electron Paramagnetic Resonance (EPR) spectroscopy.
Journal ArticleDOI
Application of Atomic Force (AFM), Environmental Scanning Electron (ESEM) and Confocal Laser Scanning Microscopy (CLSM) in bitumen: A review of the ageing effect.
TL;DR: In this paper, the authors provide a useful guide for road engineers by collecting all the existing microstructural trends that have been reported upon ageing by utilising some of the most promising microscopic techniques.
References
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Journal ArticleDOI
Molecular Size and Structure of Asphaltenes from Various Sources
TL;DR: Fluorescence depolarization measurements are used to determine the size of asphaltene molecules and of model compounds for comparison Mean molecular weights of roughly 750 amu with a range of roughly 500−1000 amu are found for petroleum Asphaltenes are found to have one or perhaps two fused ring systems per molecule as mentioned in this paper.
Book
Asphaltenes, Heavy Oils, and Petroleomics
TL;DR: The first € price and the £ and $ price are net prices, subject to local VAT as mentioned in this paper, and they are subject to change without notice. All prices exclusive of carriage charges.
Journal ArticleDOI
Asphalt Oxidation Mechanisms and the Role of Oxidation Products on Age Hardening Revisited
J. Claine Petersen,Ronald Glaser +1 more
TL;DR: In this paper, it was shown that the alcohols, which are formed concurrently with the sulfoxides from the same hydroperoxide precursors as the ketones, have a similar effect on asphalt viscosity increase as does the ketone.
Journal ArticleDOI
Asphalt aging: dual oxidation mechanism and its interrelationships with asphalt composition and oxidative age hardening
J. C Petersen,P. M Harnsberger +1 more
TL;DR: In this paper, a dual mechanism was proposed to explain the hyperbolic-like, time-versus-property plots characteristic of asphalt oxidative aging, and the oxidation kinetics provided further confirmation of the asphalt microstructural model.
Journal ArticleDOI
FTIR spectral analysis of bituminous binders: reproducibility and impact of ageing temperature
Bernhard Hofko,Laurent Porot,A. Falchetto Cannone,Lily D. Poulikakos,L. Huber,Xiaohu Lu,K. Mollenhauer,Hinrich Grothe +7 more
TL;DR: In this article, the Fourier transform infrared spectroscopy (FTIR) analysis was carried out using an integration method which considers the area below the absorbance spectrum around a band maximum using baseline and tangential approaches.