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本文依据大量试验数据,结合理论分析,详细研究了沥青混合料低温抗裂性能的评价方法。提出了收缩系数、破坏特性、松弛能力及热应力疲劳特性实验研究中的条件性和特异性,探讨了测定结果作为路面结构力学分析参数的可能性。提出的技术观点对沥青路面低温特性研究具有普遍意义。
In this paper, based on a large number of experimental data, combined with theoretical analysis, a detailed study of the asphalt mixture at low temperature cracking resistance evaluation method. The conditions and specificities in the experimental study of shrinkage coefficient, failure characteristic, relaxation capacity and thermal stress fatigue property were put forward, and the possibility of using the determination result as the pavement structural mechanics analysis parameter was discussed. The proposed technical point of view on the low temperature properties of asphalt pavement has universal significance.