Analysis of the causes of cracks in asphalt pavements of municipal roads and optimization of repair technologies
市政道路沥青路面裂缝成因分析与修复技术优化

摘要

市政道路沥青路面裂缝是城市交通设施维护中的常见问题，不仅影响道路美观，更对行车安全构成威胁。本文主要探讨了市政道路沥青路面裂缝的成因及其修复技术优化路径。首先分析了温度变化、荷载压力及材料老化等因素对沥青路面裂缝的影响，指出裂缝的形成是一个复杂的物理化学过程。接着介绍了当前几种主流的修复技术，包括热补法、冷补法及新型材料的应用，并针对这些方法存在的不足提出了改进建议。通过优化施工工艺和选用高性能材料可以有效提升修复效果，延长道路使用寿命。本研究为市政道路沥青路面的维护提供了理论支持和技术指导。

Abstract

Cracks in the asphalt pavements of municipal roads are common problems in the maintenance of urban transportation facilities. They not only affect the aesthetics of the roads but also pose a threat to driving safety. This paper mainly explores the causes of cracks in the asphalt pavements of municipal roads and the optimization paths of repair technologies. Firstly, it analyzes the impacts of factors such as temperature changes, load pressures, and material aging on cracks in asphalt pavements, pointing out that the formation of cracks is a complex physico - chemical process. Then, it introduces several current mainstream repair technologies, including hot - patching method, cold - patching method, and the application of new materials, and puts forward improvement suggestions in view of the shortcomings of these methods. By optimizing the construction process and selecting high - performance materials, the repair effect can be effectively improved, and the service life of the road can be extended. This research provides theoretical support and technical guidance for the maintenance of asphalt pavements of municipal roads.