Performance grade of asphalt binder modified with waste plastic and rubber

The purpose of this study was to examine the high and low-temperature rheological characteristics of asphalt binders modified with waste plastic (WP) and crumb rubber (CR). In this study, three types of asphalt cement were used: neat binder (VB) obtained from a local refinery, VB+3% WP, and VB+15% C...

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Bibliographic Details
Main Authors: Sahip, Hawraa R, Al-Jumaili, Mohammed A., Enieb, Mahmoud, Eltwati, Ahmed
Format: Conference Proceeding
Language:English
Subjects:
Binders (materials)
Bituminous cements
High temperature
Low temperature
Low temperature resistance
Physical properties
Refineries
Rheological properties
Rheometers
Rubber
Tension tests
Thin films
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Summary:The purpose of this study was to examine the high and low-temperature rheological characteristics of asphalt binders modified with waste plastic (WP) and crumb rubber (CR). In this study, three types of asphalt cement were used: neat binder (VB) obtained from a local refinery, VB+3% WP, and VB+15% CR. Performance grade and other physical properties of neat binder and modified asphalt binders were determined by the Brookfield rotational viscometer, dynamic shear rheometer, rolling thin film oven, bending beam rheometer, and direct tension tests the study showed that WP and CR-modified asphalt binders can provide greater resistance to high-temperature rutting and low-temperature cracking than the unmodified binder. The modified asphalt binder prepared with CR showed a better performance than the WP-modified asphalt binder at different ranges of temperatures.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0161205