冷补沥青混合料用冷补剂及技术性能研究综述
A Review of Cold-Patch Agents and Technical Performance of Cold-Patch Asphalt Mixtures
DOI: 10.12677/hjce.2026.153065, PDF,    科研立项经费支持
作者: 王立宸*, 聂忆华, 杜泓毅, 徐智成, 邓胜良, 夏雨欣:湖南科技大学土木工程学院,湖南 湘潭
关键词: 道路工程冷补沥青混合料冷补剂性能综述 Road Engineering Cold-Patch Asphalt Mixture (CPAM) Cold-Patch Agent Performance Review
摘要: 冷补沥青混合料(CPAM)因其节能环保、施工便捷、可在不利气候条件下快速修复路面病害等突出优点,已成为道路预防性养护与应急维修的关键材料。其性能核心在于冷补剂(包括稀释剂、反应型改性剂、生物基材料等)的组成与性质,直接决定了混合料的施工和易性、强度发展规律及长期耐久性。本文系统梳理了冷补剂的分类、作用机理及性能评价方法体系;深入剖析了溶剂型稀释剂、反应型树脂、生物基粘结剂等不同类型冷补剂对CPAM工作性能、力学性能及耐久性的影响规律与提升机制;进而探讨了冷补剂与再生沥青路面(RAP)、填料、添加剂的协同优化策略;凝练总结了当前CPAM评价体系缺失、性能与环保难平衡、微观机理研究不足、专用化程度不高等关键问题。在此基础上,展望了未来低毒/无毒环保型冷补剂开发、高性能反应型体系设计、多尺度评价与机理研究、高掺量RAP利用及标准规范建立等主要发展方向。本文旨在为高性能环保型冷补剂的研发与CPAM的标准化、智能化应用提供理论参考。
Abstract: Cold-patch asphalt mixture (CPAM) has become a key material for preventive maintenance and emergency repair of road pavements due to its outstanding advantages such as energy saving, environmental protection, convenient construction, and capability for rapid repair under adverse weather conditions. The performance of CPAM is fundamentally governed by the composition and properties of cold-patch agents (including diluents, reactive modifiers, bio-based materials, etc.), which directly determine the workability, strength development, and long-term durability of the mixture. This paper systematically elaborates on the classification, action mechanisms, and performance evaluation methods for cold-patch agents. It then provides an in-depth analysis of the influence patterns and enhancement mechanisms of different types of cold-patch agents (e.g., solvent-based diluents, reactive resins, bio-based binders) on the workability, mechanical properties, and durability of CPAM. Furthermore, synergistic optimization strategies between cold-patch agents and reclaimed asphalt pavement (RAP), fillers, and additives are discussed. Key issues in current research are summarized, including the lack of a dedicated evaluation system, the difficulty in balancing performance with environmental friendliness, insufficient understanding of micro-mechanisms, and low degree of specialization. Future development directions are prospected, focusing on the development of low-toxicity/non-toxic and environmentally friendly cold-patch agents, design of high-performance reactive systems, multi-scale evaluation and mechanistic research, utilization of high-content RAP, and establishment of standards and specifications. This review aims to provide theoretical references for the research and development of high-performance, environmentally friendly cold-patch agents and the standardized, intelligent application of CPAM.
文章引用:王立宸, 聂忆华, 杜泓毅, 徐智成, 邓胜良, 夏雨欣. 冷补沥青混合料用冷补剂及技术性能研究综述[J]. 土木工程, 2026, 15(3): 174-181. https://doi.org/10.12677/hjce.2026.153065

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