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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Hydrothermal conversion of oil shale: Synthetic oil generation and micro-scale pore structure change
Shadi A. Saeed,Usman Taura,Yahya Al-Wahaibi,Ameen A. Al-Muntaser,Chengdong Yuan,Mikhail A. Varfolomeev,Saif N. Al-Bahry,Sanket J. Joshi,Richard Djimasbe,Muneer A. Suwaid,R. I. Kadyrov,Ranel I. Galeev,Ahmed Al Naabi,Majid Ahmed Al Hasani,R. S. Al Busaidi +14 more
TL;DR: In this paper , the performance of hydrothermal conversion of oil shale was evaluated in terms of material balance (yield of synthetic oil and gas), composition of evolved gases, synthetic oil quality (SARA fractions, elemental analysis, alkanes distribtuion by GC, and aliphtics and aromatic structure change by GC-MS etc.), and the change in organic matter (OM) in the core by LF-NMR.
Journal ArticleDOI
Synergistic effect of SBS copolymers and aromatic oil on the characteristics of asphalt binders and mixtures containing reclaimed asphalt pavement
Ahmed Salama Eltwati,Zaid Hazim Al-Saffar,Azman Mohamed,Mohd Rosli Hainin,Ahmed Elnihum,Mahmoud Enieb +5 more
TL;DR: In this article , the influence of combining SBS copolymers and aromatic oil (AO) at the same time as a hybrid rejuvenator (HR) on the performance of high RAP asphalt binders and mixtures was assessed by SARA (Saturates, Asphaltene, Resin and Aromatics) fractions analysis, Fourier Transform Infrared Spectrum (FTIR), physical tests, high-temperature storage stability test, Dynamic Shear Rheometer (DSR) test, and Bending Beam Rheological (BBR) test.
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Revelation and characterization of selective absorption behavior of bitumen to basic oxygen furnace slag
Chao Yang,Jun Xie,Shaopeng Wu,Serji N. Amirkhanian,Xiaojun Zhou,Dezhi Kong,Qunshan Ye,Jie Hu +7 more
TL;DR: In this paper, the absorption behavior of bituminous components to basic oxygen furnace (BOF) slag with outburst pore characteristic is explored in order to further understand the service characteristics and improve the application quality of BOF slag.
Journal ArticleDOI
High-Temperature Performance Evaluation of Asphaltenes-Modified Asphalt Binders.
TL;DR: SARA analysis shows that the increase in polar fraction content due to the addition of asphaltenes causes the stiffness, elasticity, and viscosity of asphalt binders to increase.
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Investigating the relationship between chemical composition and mechanical properties of asphalt binders using atomic force microscopy (AFM)
TL;DR: In this article , the composition-structure-mechanics relationship of asphalt binders was studied using atomic force microscopy, and the results showed that SARA fractions have the same effect on both the micro- and macro-rheological properties of asphalt.
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.