纳米改性沥青材料在路面工程中的应用研究现状

Application and Development Status of Nano Modified Asphalt Materials in Pavement Engineering

将纳米材料掺入至基质沥青中能实现微观层面的性能优化,有效提升沥青路面的路用性能,故纳米改性沥青的研究越来越受到关注。该文总结了纳米改性沥青的研究现状及进展,从改性沥青、改性沥青混合料两方面研究出发,阐述了纳米改性沥青的性能优势;并根据国内外现有研究,概述了纳米改性沥青的关键性问题及研究不足之处,提出了纳米材料改性沥青未来研究的方向及应用前景。

Adding nano materials into base asphalt can optimize the performance of micro level and effectively improve the road performance of asphalt pavement.Therefore,the research of nano modified asphalt has attracted more and more attention.The research status and progress of nano modified asphalt are summarized.The advantages of nano modification are introduced from modified asphalt and modified asphalt mixture;According to the existing research at home and abroad,the key problems and research shortcomings of nano material modified asphalt are summarized,and the future research direction and application prospect of nano material modified asphalt are proposed.