Research on the Improving of Warm Mix Asphalt Technology by Adding Organic Viscosity-Reducers

Abstract:

Inconsideration of the application defects of organic viscosity-reducing warm mixasphalt (represented by Sasobit), such as poor adhesion with aggregate,inadequate of low-temperature deformation, four methods for Sasobit modificationwere proposed and they were blending with polymer, grafting, hydroisomerizationand adjusting molecular weightdistribution width,then the feasibility of each method was analyzed. Moreover, given that performance evaluation of warm mix asphaltmixture still referenced for that of hot mix asphalt mixture, adhesion (water stability) evaluation method based on surface free energy and low temperature performanceevaluation method based on glass transition temperature were put forward to optimize the performance evaluation system of warm mix asphaltmixture.

• Periodical: Advanced Materials Research (Volumes 1079-1080)
• Pages: 118-123
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1079-1080.118
• Online since: December 2014
• Authors: Ting Li*, Yan Ping Yin, Li Ning Gao, Hua Xin Chen
• Keywords: Organic Viscosity-Reducer, Performance Evaluation, Sasobit Modification, Warm Mix

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