Study on the Effect of Reinforced Fiber on the Properties of Cold Reclaimed Asphalt Mixture

本研究聚焦于含增强纤维的冷再生沥青混合料，旨在深入探究增强纤维对其性能的影响规律与作用机制。通过系统的室内试验，全面分析不同纤维掺量下冷再生沥青混合料的力学性能变化，研究结果表明，适量的增强纤维可显著提升冷再生沥青混合料的疲劳性能，同时对其高温稳定性、水稳定性和低温抗裂性也有积极影响。本研究成果为冷再生沥青混合料的优化设计和工程应用提供了依据。This study focuses on the cold recycled asphalt mixture containing reinforced fiber, aiming to investigate the effect of reinforced fiber on its properties and mechanism. Through systematic laboratory tests, the mechanical properties and road performance of cold reclaimed asphalt mixture with different fiber content were comprehensively analyzed. The results show that appropriate reinforcement fiber can significantly improve the fatigue performance of cold reclaimed asphalt mixture, and has positive effects on its high temperature stability, water stability and low temperature crack resistance. The research results provide a basis for the optimal design and engineering application of cold reclaimed asphalt mixture.