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Abstract

To investigate the effect of the content of mechanical peeling graphene on the properties of original asphalt, this paper prepared modified asphalt with different graphene contents by employing mechanical peeling graphene as a modifier. Meanwhile, it studied the conventional physical and rheological properties of graphene-modified asphalt by conducting three major index tests and dynamic shear rheological tests. The experimental results show that compared to original asphalt, graphene-modified asphalt has low penetration, high softening point, and low ductility. Additionally, graphene significantly improves the high-temperature performance of asphalt, while the low-temperature performance is slightly reduced. Under the graphene content of 0.35%, there is a relatively balanced state between graphene and asphalt, and the modified asphalt material has strong resistance to high-temperature rutting deformation.

Publication Date

8-18-2022

DOI

10.14048/j.issn.1671-2579.2022.04.043

First Page

233

Last Page

236

Submission Date

May 2025

Reference

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