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Elasto-viscoplastic Finite Element Analysis of the Long-term Behavior of Flexible Pavements

机译：柔性路面长期行为的弹粘塑性有限元分析

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This paper includes analysis of the flexible pavements rutting using an elasto-viscoplastic constitutive relation for the asphalt concrete, which takes into account the influence of the temperature. The latter is considered using the time-temperature superposition principle. The loading is modeled as a uniform pressure applied during the vehicle pass. The superposition principle is used for modeling the traffic with a high number of vehicle passes. The numerical model is first calibrated on full scale tests conducted at different values of the temperature. Then, it is used for the analysis of the influence of the temperature and traffic condition on the pavement rutting. Analyses show that the increase in the temperature leads to an import augmentation in pavement rutting. They also show that the tire type and the traffic speed influence significantly the pavement rutting.
机译：本文包括对沥青混凝土的弹性路面本构关系的分析，其中考虑了温度的影响。使用时间-温度叠加原理来考虑后者。将负载建模为在车辆通过过程中施加的均匀压力。叠加原理用于对大量车辆通过的交通进行建模。数值模型首先在不同温度值下进行的满量程测试中进行校准。然后，将其用于分析温度和交通状况对人行道车辙的影响。分析表明，温度的升高导致路面车辙的增加。他们还表明，轮胎类型和行进速度显着影响路面车辙。

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