Modification of Road Bitumen with Partial Desulfurized Crumb Rubber

Incorporating crumb rubber into road bitumen represents a fundamental advancement in enhancing pavement performance and managing tire waste. While poly(styrene-butadiene-styrene) is a common choice for enhancing elasticity, its inherent limitations and environmental implications necessitate the expl...

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Bibliographic Details
Main Authors: Simona-Bianca Ghimiș, Gabriel Vasilievici, Andreea-Luiza Mîrț, Emilian Zaharia, Dorin Bomboș
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Proceedings
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Online Access:https://www.mdpi.com/2504-3900/90/1/34
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Summary:Incorporating crumb rubber into road bitumen represents a fundamental advancement in enhancing pavement performance and managing tire waste. While poly(styrene-butadiene-styrene) is a common choice for enhancing elasticity, its inherent limitations and environmental implications necessitate the exploration of alternatives. This study introduces the development of a novel crumb rubber derivative with superior elastic properties. The resulting modified bitumen exhibited a 58.3% reduction in crumb rubber sulfur content and a consistent asphaltene content of 18.7 ± 0.2%, ensuring its homogeneity. This research marks an advancement in producing elastic bitumen for specialized applications, contributing to sustainable road construction practices.
ISSN:2504-3900