Journal ArticleDOI
Modelling of rheological and chemical properties of asphalt binder considering SARA fraction
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TLDR
In this article, a column chromatography was applied to collect sufficient SARA (Saturates, Aromatics, Resins and Asphaltenes), and the Dynamic Shear Rheometer (DSR) test was used to develop the viscoelastic master curves for binders and their subsets.About:
This article is published in Fuel.The article was published on 2019-02-15. It has received 117 citations till now. The article focuses on the topics: Dynamic shear rheometer & Asphaltene.read more
Citations
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Laboratory investigation of phase change effect of polyethylene glycolon on asphalt binder and mixture performance
TL;DR: In this paper, the phase change enthalpy of PEG/asphalt composite was lower than theoretical results, while the shear strength of asphalt/PEG mixture decreased by 20.3%, compared with control asphalt mixture.
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Application of different modifiers for improvement of chemical characterization and physical-rheological parameters of reclaimed asphalt binder
TL;DR: In this article, the effects of other modifiers such as soft bitumen and polymer modified bitumen (PMB) in performance of RAB-containing asphalt binders in comparison with rejuvenators were evaluated.
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Fatigue characterization of bio-modified asphalt binders under various laboratory aging conditions
Wei Cao,Yang Wang,Chao Wang +2 more
TL;DR: In this paper, the authors evaluated the fatigue characteristics of asphalt binders modified with different dosages of bio-oil under a variety of aging conditions, and the linear amplitude sweep (LAS) test was conducted to yield damage characteristic relationship, failure criterion, and failure envelope based on the viscoelastic continuum damage theory.
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Chemical, morphological and rheological investigations of SBR/SBS modified asphalt emulsions with waterborne acrylate and polyurethane
TL;DR: In this article, the feasibility of waterborne acrylate and polyurethane, as novel potential modifiers, to further enhance performances of SBR/SBS modified asphalt emulsion was investigated.
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Study on adhesion of asphalt using AFM tip modified with mineral particles
Xiaobo Lv,Weiyu Fan,Jiqian Wang,Liang Ming,Chengduo Qian,Hui Luo,Guozhi Nan,Bingjian Yao,Pinhui Zhao +8 more
TL;DR: In this paper, the adhesive forces at mineral particle-asphalt substrate interfaces were investigated using atomic force microscopy (AFM) probe tips modified with four types of spherical mineral particles: limestone, basalt, granite and sandstone.
References
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Journal ArticleDOI
The colloidal structure of bitumen: Consequences on the rheology and on the mechanisms of bitumen modification
TL;DR: A general picture of bitumen structure is shown to emerge and it shows that a simple solvation parameter allows quantifying the effect of the asphaltenes on the rheological properties ofbitumen.
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Effect of ageing on bitumen chemistry and rheology
Xiaohu Lu,Ulf Isacsson +1 more
TL;DR: In this article, the effect of ageing on bitumen chemistry and rheology was studied, where seven bitumens were aged according to the thin film oven test and the rolling thin-film oven test (RTFOT) and the binders were characterised using infrared spectroscopy, chromatography and dynamic mechanical analysis.
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Composition of asphalt based on generic fractionation, using solvent deasphaltening, elution-adsorption chromatography, and densimetric characterization
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New direct observations of asphalts and asphalt binders by scanning electron microscopy and atomic force microscopy
TL;DR: In this article, a network of asphaltene molecules with regard to asphalt gel was revealed by using atomic force microscopy (AFM) and SEM observations with very low resolution.