Study on Preparation Process of SBS / Crumb Rubber Composite Modified Asphalt

Yan Wang; Bo Chuan Zhan; Jian Cheng

doi:10.4028/www.scientific.net/AMR.450-451.417

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 450-451Study on Preparation Process of SBS / Crumb Rubber...

Study on Preparation Process of SBS / Crumb Rubber Composite Modified Asphalt

Abstract:

The incorporation of SBS into crumb rubber modified asphalt is investigated to enhance binder properties and storage stability in this paper. In order to gain the high quality of road pavement asphalt, the preparation process is optimized. The main objective of this study is to enhance the properties of crumb rubber modified asphalt through the addition of Styrene-Butadiene-Styrene (SBS) and analysis the effect of SBS type, preparation temperature and time exert on the properties of SBS /crumb rubber composite modified asphalt. The optimal preparation condition as follow: the swelling temperature for two mixed modifiers: 180 °C, swelling time: 1h; Shearing temperature: 180 °C, shearing time: 1h; Breeding temperature: 170 °C, breeding time: 3h. The results demonstrated that the properties of SBS/crumb rubber composite modified asphalt can meet the requirements of Grade C standard on SBS polymer modified asphalt.

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Periodical:

Advanced Materials Research (Volumes 450-451)

Pages:

417-422

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.450-451.417

Citation:

Cite this paper

Online since:

January 2012

Authors:

Yan Wang, Bo Chuan Zhan, Jian Cheng

Keywords:

Asphalt Performance, Composite Modification, Crumb Rubber, SBS, Technology

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