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
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Carbon Nanomaterials for Enhancing the Thermal, Physical and Rheological Properties of Asphalt Binders.
TL;DR: In this article, the performance of two nanometer-sized modifiers, graphene (Gr) and carbon nanotubes (CNTs), on enhancing the thermal, physical and rheological properties of asphalt binders was investigated.
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Microscopic experimental and numerical research on rejuvenators: A review
Zhiyu Han,Peiliang Cong,Jian Qiu +2 more
TL;DR: In this article , a review of studies focusing on the change inside asphalt after adding rejuvenators was provided, where the chemical compositions of rejuvenators were collected as basic information and both laboratorial experiments and molecular dynamic simulations were investigated to not only compare the effectiveness of several rejuvenators but also explain the rejuvenating mechanism.
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Chemo-Rheological Characterization of the Effect of Iran Rock Asphalt on the Performance of Waste Bio-Oil Modified Asphalts:
TL;DR: In this article, the effect of Iran rock asphalt (IRA) on the rheological performance of waste bio-oil modified asphalt (WBMA) was investigated, and three kinds of WBMA with biooil origins including soyb...
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Correlation Analysis between Mechanical Properties and Fractions Composition of Oil-Rejuvenated Asphalt
TL;DR: In this article , the SARA fraction composition and six macroscopic mechanical properties (critical cracking temperature (TCR), fatigue life (Nf), non-recoverable creep (Jnr3.2), penetration, ductility, and softening point) were investigated for 16 asphalt samples.
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.