Journal ArticleDOI
Behavior of Reclaimed Polyethylene Modified Asphalt Cement for Paving Purposes
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In this paper, the procedure for modification of 80/100-paving grade asphalt cement using reclaimed polyethylene (PE) derived from low-density polyethylen carry bags collected from domestic waste is discussed.Abstract:
The present paper deals with the procedure for modification of 80/100-paving grade asphalt cement using reclaimed polyethylene (PE) derived from low-density polyethylene carry bags collected from domestic waste. The details of the preparation of the PE-modified binder and the results on variation of binder properties with blending temperature and blending time are presented. Results of various tests carried out on the different PE blends indicated enhanced binder properties like improved storage stability, resistance to aging, degradation, and temperature susceptibility. It is observed that viscosity at a given temperature increases with the addition of PE in the binder. Dynamic shear rheometer test results revealed that PE-modified binders (when subjected to the same stress) experienced lower strains than the neat asphalt; in addition, tanδ values of PE-modified binders considerably decreased as the PE content was increased. It was found that 5% PE content in modified asphalt by weight is adequate in terms of enhanced binder properties studied.read more
Citations
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Journal ArticleDOI
A review of the fundamentals of polymer-modified asphalts: Asphalt/polymer interactions and principles of compatibility
TL;DR: The chemical, physical, and processing solutions suggested in the scientific and patent literature to improve storage stability are extensively discussed, with particular attention to an emerging class of asphalt binders in which the technologies of polymer-modified asphalts and polymer nanocomposites are combined.
Journal ArticleDOI
Morphology, rheology, and physical properties of polymer-modified asphalt binders
TL;DR: In this article, a review on the techniques used to overcome/mitigate the shortcomings of conventional polymer-modified asphalt binders is provided, and a review of the effects of various types of polymers used in asphalt industry and their effects on the rheological, morphological, physical and mechanical properties of polymer modified asphalt binder are also discussed.
Journal ArticleDOI
High temperature performance evaluation of bio-oil modified asphalt binders using the DSR and MSCR tests
Xu Yang,Zhanping You +1 more
TL;DR: In this article, three types of waste wood-resourced bio-oils were used to modify asphalt and the results from the DSR test and multiple stress creep recovery (MSCR) test were compared.
Journal ArticleDOI
Repurposing waste plastics into cleaner asphalt pavement materials: A critical literature review
Shenghua Wu,Luke Montalvo +1 more
TL;DR: In this paper, the authors provide a comprehensive and in-depth literature review on the feasibility and the state-of-the-art repurposing waste plastics into asphalt pavement materials, such as acrylonitrile butadiene styrene (ABS), ethylene vinyl acetate (EVA), polycarbonate (PC), and polyurethane (PU).
Journal ArticleDOI
Performance of recycled plastic waste modified asphalt binder in Saudi Arabia
TL;DR: In this paper, the effect of polypropylene, high and low-density polyethylene (PP, HDPE and LDPE)-recycled plastic wastes (RPW) on the viscoelastic performance of the local asphalt binder has been investigated.
References
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Journal ArticleDOI
Laboratory evaluation of crumb rubber modified asphalt mixes
TL;DR: In this article, Crumb rubber (CR) was used to modify 80/100 penetration grade asphalt cement and a static indentation test was adopted for assessing the relative permanent deformation characteristics of different mixes.
Journal ArticleDOI
Behavior of Asphalt Concrete Mixtures with Reclaimed Polyethylene as Additive
TL;DR: In this article, the viability of using reclaimed polyethylene (PE) derived from low-density PE carry bags collected from domestic waste as an additive in asphalt concrete mixtures was investigated.
Improved performance of paving asphalts by polymer modification
TL;DR: In this paper, four generic classes of polymers have been shown to lead to improved properties of bituminous binders, these are: (1) thermoplastics, (2) rubbers, (3) thermosets, and (4) thermoplastic block copolymers.
Asphaltic binder rheology, asphalt concrete rheology and asphalt concrete mix properties (with discussion)
TL;DR: In this paper, a dynamic mechanical analysis is used to characterize the influence of the aggregate as well as the binder on mixture properties, and a novel method of mixture property analysis is introduced.
Journal ArticleDOI
Utilization of Reclaimed Polyethylene in Bituminous Paving Mixes
Mahabir Panda,Mayajit Mazumdar +1 more
TL;DR: In this article, reclaimed polyethylene (PE) obtained from LDPE carry bags was used to modify asphalt cement and the basic properties of modified binder and mixes containing such binders were studied and compared with those of asphalt cement.