硫酸钙晶须改性沥青研究现状与趋势
Research status and trend of calcium sulfate whisker modified asphalt
余川 1张若兰 1秦绍明 1邹远航 1孙银磊1
作者信息
- 1. 云南大学 建筑与规划学院,云南 昆明 650500
- 折叠
摘要
重点介绍硫酸钙晶须物化特性及对沥青的改性机理,梳理硫酸钙晶须表面改性、制备工艺及性能方面的研究成果,提出硫酸钙晶须改性沥青存在的问题和未来研究方向,指出未来应重点关注硫酸钙晶须制备工艺、与复合材料增柔增韧研究.最后通过分析磷石膏制备硫酸钙晶须改性沥青的应用优势,对推动磷固废的高附加值利用具有广阔的应用前景.
Abstract
This paper focuses on the physical and chemical properties of calcium sulfate whiskers and the modification mechanism of asphalt.The research results of surface modification,preparation process and properties of calcium sulfate whiskers are sorted out.The existing problems and future research directions of calcium sulfate whisker modified asphalt are put forward.It is pointed out that the future research should focus on the preparation process of calcium sulfate whiskers and the research on the flexibility and toughening of composite materials.Finally,by analyzing the application advantages of calcium sulfate whisker modified asphalt prepared by phosphogypsum,it has broad application prospects for promoting the high value-added utilization of phosphorus solid waste.
关键词
硫酸钙晶须/机理分析/改性沥青/沥青混合料/性能评价Key words
calcium sulfate whisker/mechanism analysis/modified asphalt/asphalt mixture/perform-ance evaluation引用本文复制引用
基金项目
国家自然科学基金(42102303)
云南省自然科学基金(202401CF070174)
云南大学专业学位研究生实践创新项目(第三届)(ZC-23234031)
出版年
2024
NETL
NSTL
万方数据