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指出了轮辙试验动稳定度指标的不合理性 ,论述了指标数据离散性的原因。通过对轮辙试验较为系统详细的论述以及试验论证 ,提出用回归时间段内的动稳定度 DRS或永久变形 Rt来评价沥青混合料的高温稳定性更为合理。
Pointed out the irrationality of the dynamic stability index of the wheel tracking test, and discussed the reasons for the discreteness of the index data. Based on the systematic and detailed elaboration of the wheel tracking test and the experimental evidence, it is more reasonable to evaluate the stability of the asphalt mixture at high temperature by dynamic stability DRS or permanent deformation Rt during the regression period.