自愈合是材料实现高性能和耐久性的关键性质,高性能自愈合沥青材料的应用对长寿命路面的开发意义重大。综述了当前自愈合沥青材料的主要研究方向,包括聚合物改性、微胶囊改性、纳米材料改性和引入动态键法等,总结了其在道路工程中的实际应用,并从经济性和长期稳定性等方面展望了自愈合沥青材料的发展方向。
Self-healing has become essential for enhancing material performance and durability.In particular,high-performance self-healing asphalt materials are critical to the development of long-life pavements.The primary research directions in self-healing asphalt materials were systematically reviewed,including polymer modification,microcapsule technology,nanomaterial reinforcement,and dynamic bonding approaches.The practical applications of self-healing asphalt materials in road engineering were summarized,and future development trends were discussed,with particular focus placed on economic viability and long-term performance stability.
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