湿法橡胶改性沥青研究进展
Research Progress of Rubber-Modified Asphalt by Wet Process
葛冬冬 1姜向阳 1吕松涛 1张洪刚 2宋小金3
作者信息
- 1. 长沙理工大学 交通运输工程学院,湖南 长沙 410114;公路养护技术国家工程研究中心,湖南 长沙 410114;极端环境绿色长寿道路工程全国重点实验室,湖南 长沙 410114
- 2. 长沙理工大学 交通运输工程学院,湖南 长沙 410114;公路养护技术国家工程研究中心,湖南 长沙 410114;极端环境绿色长寿道路工程全国重点实验室,湖南 长沙 410114;广西交科集团有限公司,广西 南宁 530000
- 3. 中腾智信科技(湖南)有限公司,湖南 长沙 410036
- 折叠
摘要
废旧轮胎在沥青路面中的应用不仅能有效降低资源消耗,还能显著减轻环境污染.处理废旧轮胎获得橡胶粉,通过湿法工艺与沥青共混,可作为改性剂改善沥青的性能.该文论述了湿法橡胶改性沥青的研究进展,探讨了其制备工艺、性能影响因素及改性机理.通过回顾相关研究,总结了制备过程中的关键条件及其对储存稳定性的影响.进一步分析了橡胶掺量、目数、基质沥青类型及制备参数对沥青物理和流变性能的影响,并通过谱学分析法和微观形貌分析法揭示了橡胶与沥青之间的相互作用机理.此外,还探讨了橡胶与其他改性剂复合使用对沥青性能的协同提升效果,为湿法橡胶改性沥青的进一步优化和应用提供了有益参考.最后,对湿法橡胶改性沥青在制备工艺、性能研究、改性机理方面的未来发展趋势和重点研究方向进行了展望.
Abstract
The application of waste tires in asphalt pavements can not only effectively reduce resource consumption but also significantly reduce environmental pollution.Crumb rubber could be obtained by processing waste tires and used as a modifier by mixing with asphalt through the wet process to improve the performance of asphalt.This paper reviewed the research progress of rubber-modified asphalt by wet process and discussed its preparation process,influencing factors of performance,and modification mechanism.By reviewing the relevant studies,the critical conditions in the preparation process and their effects on storage stability were summarized.Furthermore,the effects of rubber dosage,particle size,matrix asphalt type,and preparation parameters on the physical and rheological properties of asphalt were analyzed.The interaction mechanism between rubber and asphalt was revealed by spectroscopic analysis and microscopic morphology analysis.In addition,the synergistic enhancement effect of rubber compounded with other modifiers on asphalt properties was explored,which provided a useful reference for the further optimization and application of rubber-modified asphalt by wet process.Finally,the paper proposed future development trends and key research directions of rubber-modified asphalt by wet process in terms of preparation process,performance evaluation,and modification mechanism.
关键词
道路材料/橡胶改性沥青/湿法/制备条件/改性机理Key words
road material/rubber-modified asphalt/wet process/preparation condition/modification mechanism引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据