微胶囊自修复混凝土研究进展

Research Development on Microencapsulated Self-Healing Concrete

微胶囊作为一种新型材料,以其设计性强、在基体中易于分散、延长芯材的时效性、实现自修复的智能性等优势受到科研工作者和业界的广泛关注。详细介绍了自修复微胶囊的设计、制备,总结了微胶囊的化学、物理修复机制,重点探讨了自修复微胶囊的在混凝土中的应用研究进展,分析并指了微胶囊在囊芯囊壳制备、与水泥构效关系、修复效果评估等方面所面临的挑战和未来的发展方向。旨在为未来微胶囊在混凝土中的生产与应用提供一定的参考。

Microcapsules,as a new type of material,have attracted extensive attention due to their designability,easy dispersion in the matrix,ability to prolong the durability of the core material,and self-healing intelligence.This review provided a detailed introduction to the design and preparation of self-healing microcapsules,and summarized the physical and chemical repair mechanisms of microcapsules.The research progress on self-healing microcapsules in concrete was represented.The challenges and future development directions of microcapsules in core-shell preparation,cement-matrix relationship,and repair effect evaluation were analyzed.This review could provide a reference for the future production and application of microcapsules in concrete.