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首页> 外文期刊>Journal of the Association of Asphalt Paving Technologists >Development of Accelerated Laboratory Friction Testing Using the Three Wheel Polishing Device
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Development of Accelerated Laboratory Friction Testing Using the Three Wheel Polishing Device

机译：三轮抛光装置的加速实验室摩擦试验的发展

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摘要

This synthesis paper summarizes experience with the three-wheel (circular track) polishing device used in the laboratory to simulate field frictional performance of asphalt pavements over time. This device, with sample preparation and testing protocols for asphalt mixture surfaces, has been undergoing refinement over the last 15 years independently in two asphalt research centers. The device has been used successfully to examine the use of alternative friction aggregate, to develop specifications for the maximum amount of RAP in surface mixtures, and to study the influence of aggregate blending and mixture type on frictional properties of the pavement. More recently a method for testing gyratory specimens or field cores was developed. A substantial amount of work has been performed to investigate a field correlation between the polishing device and vehicular traffic. The main benefits of the device, such as much lower cost and accelerated results in the aggregate/mixture approval process, have been demonstrated.
机译：该合成文件总结了在实验室中使用的三轮（圆形轨道）抛光装置的经验，以模拟沥青路面的现场摩擦性能随着时间的推移。该装置，具有用于沥青混合表面的样品制备和测试方案，在过去15年中，在两个沥青研究中心的过去15年中一直在进行改进。该装置已成功地用于检查替代摩擦聚集体的使用，以如何为表面混合物中的最大RAP的规格开发，以及研究骨料混合和混合物类型对路面摩擦性质的影响。最近，开发了一种测试旋转标本或野外核的方法。已经进行了大量的工作来研究抛光装置和车辆交通之间的场相关性。已经证明了该装置的主要好处，例如降低成本和加速导致总/混合批准过程的结果。

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